257161043672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1\times {\mathrm{1019}}^1$

素因数の和:1813

約数の個数: 128

約数和(自身を含む): 553278600000

約数和(自身を除く): 296117556328

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 349, 409, 442, 698, 818, 884, 1019, 1396, 1636, 1768, 2038, 2792, 3272, 4076, 4537, 5317, 5933, 6953, 8152, 9074, 10634, 11866, 13247, 13906, 17323, 18148, 21268, 23732, 26494, 27812, 34646, 36296, 42536, 47464, 52988, 55624, 69292, 77129, 90389, 105976, 138584, 142741, 154258, 180778, 225199, 285482, 308516, 355631, 361556, 416771, 450398, 570964, 617032, 711262, 723112, 833542, 900796, 1141928, 1422524, 1667084, 1801592, 1855633, 2426597, 2845048, 3334168, 3711266, 4623203, 4853194, 5418023, 6045727, 7085107, 7422532, 9246406, 9706388, 10836046, 12091454, 14170214, 14845064, 18492812, 19412776, 21672092, 24182908, 28340428, 31545761, 36985624, 43344184, 48365816, 56680856, 63091522, 78594451, 92106391, 126183044, 145453079, 157188902, 184212782, 252366088, 290906158, 314377804, 368425564, 581812316, 628755608, 736851128, 1163624632, 1890890027, 2472702343, 3781780054, 4945404686, 7563560108, 9890809372, 15127120216, 19781618744, 32145130459, 64290260918, 128580521836, 257161043672]

約数ペア:

[(1, 257161043672), (2, 128580521836), (4, 64290260918), (8, 32145130459), (13, 19781618744), (17, 15127120216), (26, 9890809372), (34, 7563560108), (52, 4945404686), (68, 3781780054), (104, 2472702343), (136, 1890890027), (221, 1163624632), (349, 736851128), (409, 628755608), (442, 581812316), (698, 368425564), (818, 314377804), (884, 290906158), (1019, 252366088), (1396, 184212782), (1636, 157188902), (1768, 145453079), (2038, 126183044), (2792, 92106391), (3272, 78594451), (4076, 63091522), (4537, 56680856), (5317, 48365816), (5933, 43344184), (6953, 36985624), (8152, 31545761), (9074, 28340428), (10634, 24182908), (11866, 21672092), (13247, 19412776), (13906, 18492812), (17323, 14845064), (18148, 14170214), (21268, 12091454), (23732, 10836046), (26494, 9706388), (27812, 9246406), (34646, 7422532), (36296, 7085107), (42536, 6045727), (47464, 5418023), (52988, 4853194), (55624, 4623203), (69292, 3711266), (77129, 3334168), (90389, 2845048), (105976, 2426597), (138584, 1855633), (142741, 1801592), (154258, 1667084), (180778, 1422524), (225199, 1141928), (285482, 900796), (308516, 833542), (355631, 723112), (361556, 711262), (416771, 617032), (450398, 570964)]