1285128416

素因数分解:

$2^5\times {\mathrm{11}}^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:278

約数の個数: 120

約数和(自身を含む): 3011377320

約数和(自身を除く): 1726248904

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 121, 143, 176, 208, 211, 242, 286, 352, 416, 422, 484, 572, 844, 968, 1144, 1331, 1573, 1688, 1936, 2288, 2321, 2662, 2743, 3146, 3376, 3872, 4576, 4642, 5324, 5486, 6292, 6752, 9284, 10648, 10972, 12584, 14641, 17303, 18568, 21296, 21944, 25168, 25531, 29282, 30173, 34606, 37136, 42592, 43888, 50336, 51062, 58564, 60346, 69212, 74272, 87776, 102124, 117128, 120692, 138424, 190333, 204248, 234256, 241384, 276848, 280841, 331903, 380666, 408496, 468512, 482768, 553696, 561682, 663806, 761332, 816992, 965536, 1123364, 1327612, 1522664, 2246728, 2655224, 3045328, 3089251, 3650933, 4493456, 5310448, 6090656, 6178502, 7301866, 8986912, 10620896, 12357004, 14603732, 24714008, 29207464, 40160263, 49428016, 58414928, 80320526, 98856032, 116829856, 160641052, 321282104, 642564208, 1285128416]

約数ペア:

[(1, 1285128416), (2, 642564208), (4, 321282104), (8, 160641052), (11, 116829856), (13, 98856032), (16, 80320526), (22, 58414928), (26, 49428016), (32, 40160263), (44, 29207464), (52, 24714008), (88, 14603732), (104, 12357004), (121, 10620896), (143, 8986912), (176, 7301866), (208, 6178502), (211, 6090656), (242, 5310448), (286, 4493456), (352, 3650933), (416, 3089251), (422, 3045328), (484, 2655224), (572, 2246728), (844, 1522664), (968, 1327612), (1144, 1123364), (1331, 965536), (1573, 816992), (1688, 761332), (1936, 663806), (2288, 561682), (2321, 553696), (2662, 482768), (2743, 468512), (3146, 408496), (3376, 380666), (3872, 331903), (4576, 280841), (4642, 276848), (5324, 241384), (5486, 234256), (6292, 204248), (6752, 190333), (9284, 138424), (10648, 120692), (10972, 117128), (12584, 102124), (14641, 87776), (17303, 74272), (18568, 69212), (21296, 60346), (21944, 58564), (25168, 51062), (25531, 50336), (29282, 43888), (30173, 42592), (34606, 37136)]