278345475148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{2141}}^1$

素因数の和:2444

約数の個数: 144

約数和(自身を含む): 573811263648

約数和(自身を除く): 295465788500

約数列:

[1, 2, 4, 13, 17, 26, 34, 41, 52, 68, 82, 164, 211, 221, 289, 422, 442, 533, 578, 697, 844, 884, 1066, 1156, 1394, 2132, 2141, 2743, 2788, 3587, 3757, 4282, 5486, 7174, 7514, 8564, 8651, 9061, 10972, 11849, 14348, 15028, 17302, 18122, 23698, 27833, 34604, 36244, 36397, 46631, 47396, 55666, 60979, 72794, 87781, 93262, 111332, 112463, 121958, 145588, 147067, 154037, 175562, 186524, 224926, 243916, 294134, 308074, 351124, 449852, 451751, 473161, 588268, 616148, 618749, 792727, 903502, 946322, 1141153, 1237498, 1492277, 1585454, 1807004, 1892644, 1911871, 2282306, 2474996, 2500139, 2984554, 3170908, 3823742, 4564612, 5000278, 5872763, 5969108, 7647484, 7679767, 8043737, 10000556, 11745526, 15359534, 16087474, 18521791, 19399601, 23491052, 25368709, 30719068, 32174948, 32501807, 37043582, 38799202, 50737418, 65003614, 74087164, 77598404, 99836971, 101474836, 130007228, 130556039, 199673942, 240783283, 261112078, 314870447, 329793217, 399347884, 481566566, 522224156, 629740894, 659586434, 963133132, 1259481788, 1319172868, 1697228507, 3394457014, 4093315811, 5352797599, 6788914028, 8186631622, 10705595198, 16373263244, 21411190396, 69586368787, 139172737574, 278345475148]

約数ペア:

[(1, 278345475148), (2, 139172737574), (4, 69586368787), (13, 21411190396), (17, 16373263244), (26, 10705595198), (34, 8186631622), (41, 6788914028), (52, 5352797599), (68, 4093315811), (82, 3394457014), (164, 1697228507), (211, 1319172868), (221, 1259481788), (289, 963133132), (422, 659586434), (442, 629740894), (533, 522224156), (578, 481566566), (697, 399347884), (844, 329793217), (884, 314870447), (1066, 261112078), (1156, 240783283), (1394, 199673942), (2132, 130556039), (2141, 130007228), (2743, 101474836), (2788, 99836971), (3587, 77598404), (3757, 74087164), (4282, 65003614), (5486, 50737418), (7174, 38799202), (7514, 37043582), (8564, 32501807), (8651, 32174948), (9061, 30719068), (10972, 25368709), (11849, 23491052), (14348, 19399601), (15028, 18521791), (17302, 16087474), (18122, 15359534), (23698, 11745526), (27833, 10000556), (34604, 8043737), (36244, 7679767), (36397, 7647484), (46631, 5969108), (47396, 5872763), (55666, 5000278), (60979, 4564612), (72794, 3823742), (87781, 3170908), (93262, 2984554), (111332, 2500139), (112463, 2474996), (121958, 2282306), (145588, 1911871), (147067, 1892644), (154037, 1807004), (175562, 1585454), (186524, 1492277), (224926, 1237498), (243916, 1141153), (294134, 946322), (308074, 903502), (351124, 792727), (449852, 618749), (451751, 616148), (473161, 588268)]