390111488

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 108

約数和(自身を含む): 861815808

約数和(自身を除く): 471704320

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 104, 127, 128, 142, 169, 208, 254, 256, 284, 338, 416, 508, 568, 676, 832, 923, 1016, 1136, 1352, 1651, 1664, 1846, 2032, 2272, 2704, 3302, 3328, 3692, 4064, 4544, 5408, 6604, 7384, 8128, 9017, 9088, 10816, 11999, 13208, 14768, 16256, 18034, 18176, 21463, 21632, 23998, 26416, 29536, 32512, 36068, 42926, 43264, 47996, 52832, 59072, 72136, 85852, 95992, 105664, 117221, 118144, 144272, 171704, 191984, 211328, 234442, 236288, 288544, 343408, 383968, 422656, 468884, 577088, 686816, 767936, 937768, 1154176, 1373632, 1523873, 1535872, 1875536, 2308352, 2747264, 3047746, 3071744, 3751072, 5494528, 6095492, 7502144, 12190984, 15004288, 24381968, 30008576, 48763936, 97527872, 195055744, 390111488]

約数ペア:

[(1, 390111488), (2, 195055744), (4, 97527872), (8, 48763936), (13, 30008576), (16, 24381968), (26, 15004288), (32, 12190984), (52, 7502144), (64, 6095492), (71, 5494528), (104, 3751072), (127, 3071744), (128, 3047746), (142, 2747264), (169, 2308352), (208, 1875536), (254, 1535872), (256, 1523873), (284, 1373632), (338, 1154176), (416, 937768), (508, 767936), (568, 686816), (676, 577088), (832, 468884), (923, 422656), (1016, 383968), (1136, 343408), (1352, 288544), (1651, 236288), (1664, 234442), (1846, 211328), (2032, 191984), (2272, 171704), (2704, 144272), (3302, 118144), (3328, 117221), (3692, 105664), (4064, 95992), (4544, 85852), (5408, 72136), (6604, 59072), (7384, 52832), (8128, 47996), (9017, 43264), (9088, 42926), (10816, 36068), (11999, 32512), (13208, 29536), (14768, 26416), (16256, 23998), (18034, 21632), (18176, 21463)]