890110998

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2053}}^1$

素因数の和:2139

約数の個数: 128

約数和(自身を含む): 2397757440

約数和(自身を除く): 1507646442

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 37, 42, 54, 62, 63, 74, 93, 111, 126, 186, 189, 217, 222, 259, 279, 333, 378, 434, 518, 558, 651, 666, 777, 837, 999, 1147, 1302, 1554, 1674, 1953, 1998, 2053, 2294, 2331, 3441, 3906, 4106, 4662, 5859, 6159, 6882, 6993, 8029, 10323, 11718, 12318, 13986, 14371, 16058, 18477, 20646, 24087, 28742, 30969, 36954, 43113, 48174, 55431, 61938, 63643, 72261, 75961, 86226, 110862, 127286, 129339, 144522, 151922, 190929, 216783, 227883, 258678, 381858, 388017, 433566, 445501, 455766, 531727, 572787, 683649, 776034, 891002, 1063454, 1145574, 1336503, 1367298, 1595181, 1718361, 2050947, 2354791, 2673006, 3190362, 3436722, 4009509, 4101894, 4709582, 4785543, 7064373, 8019018, 9571086, 12028527, 14128746, 14356629, 16483537, 21193119, 24057054, 28713258, 32967074, 42386238, 49450611, 63579357, 98901222, 127158714, 148351833, 296703666, 445055499, 890110998]

約数ペア:

[(1, 890110998), (2, 445055499), (3, 296703666), (6, 148351833), (7, 127158714), (9, 98901222), (14, 63579357), (18, 49450611), (21, 42386238), (27, 32967074), (31, 28713258), (37, 24057054), (42, 21193119), (54, 16483537), (62, 14356629), (63, 14128746), (74, 12028527), (93, 9571086), (111, 8019018), (126, 7064373), (186, 4785543), (189, 4709582), (217, 4101894), (222, 4009509), (259, 3436722), (279, 3190362), (333, 2673006), (378, 2354791), (434, 2050947), (518, 1718361), (558, 1595181), (651, 1367298), (666, 1336503), (777, 1145574), (837, 1063454), (999, 891002), (1147, 776034), (1302, 683649), (1554, 572787), (1674, 531727), (1953, 455766), (1998, 445501), (2053, 433566), (2294, 388017), (2331, 381858), (3441, 258678), (3906, 227883), (4106, 216783), (4662, 190929), (5859, 151922), (6159, 144522), (6882, 129339), (6993, 127286), (8029, 110862), (10323, 86226), (11718, 75961), (12318, 72261), (13986, 63643), (14371, 61938), (16058, 55431), (18477, 48174), (20646, 43113), (24087, 36954), (28742, 30969)]