318715072

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:490

約数の個数: 84

約数和(自身を含む): 695370720

約数和(自身を除く): 376655648

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 158, 169, 208, 316, 338, 373, 416, 632, 676, 746, 832, 1027, 1264, 1352, 1492, 2054, 2528, 2704, 2984, 4108, 4849, 5056, 5408, 5968, 8216, 9698, 10816, 11936, 13351, 16432, 19396, 23872, 26702, 29467, 32864, 38792, 53404, 58934, 63037, 65728, 77584, 106808, 117868, 126074, 155168, 213616, 235736, 252148, 310336, 383071, 427232, 471472, 504296, 766142, 854464, 942944, 1008592, 1532284, 1885888, 2017184, 3064568, 4034368, 4979923, 6129136, 9959846, 12258272, 19919692, 24516544, 39839384, 79678768, 159357536, 318715072]

約数ペア:

[(1, 318715072), (2, 159357536), (4, 79678768), (8, 39839384), (13, 24516544), (16, 19919692), (26, 12258272), (32, 9959846), (52, 6129136), (64, 4979923), (79, 4034368), (104, 3064568), (158, 2017184), (169, 1885888), (208, 1532284), (316, 1008592), (338, 942944), (373, 854464), (416, 766142), (632, 504296), (676, 471472), (746, 427232), (832, 383071), (1027, 310336), (1264, 252148), (1352, 235736), (1492, 213616), (2054, 155168), (2528, 126074), (2704, 117868), (2984, 106808), (4108, 77584), (4849, 65728), (5056, 63037), (5408, 58934), (5968, 53404), (8216, 38792), (9698, 32864), (10816, 29467), (11936, 26702), (13351, 23872), (16432, 19396)]