638512928

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{4177}}^1$

素因数の和:4485

約数の個数: 48

約数和(自身を含む): 1336074264

約数和(自身を除く): 697561336

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 281, 544, 562, 1124, 2248, 4177, 4496, 4777, 8354, 8992, 9554, 16708, 19108, 33416, 38216, 66832, 71009, 76432, 133664, 142018, 152864, 284036, 568072, 1136144, 1173737, 2272288, 2347474, 4694948, 9389896, 18779792, 19953529, 37559584, 39907058, 79814116, 159628232, 319256464, 638512928]

約数ペア:

[(1, 638512928), (2, 319256464), (4, 159628232), (8, 79814116), (16, 39907058), (17, 37559584), (32, 19953529), (34, 18779792), (68, 9389896), (136, 4694948), (272, 2347474), (281, 2272288), (544, 1173737), (562, 1136144), (1124, 568072), (2248, 284036), (4177, 152864), (4496, 142018), (4777, 133664), (8354, 76432), (8992, 71009), (9554, 66832), (16708, 38216), (19108, 33416)]