200123456

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{14149}}^1$

素因数の和:14191

約数の個数: 56

約数和(自身を含む): 452856600

約数和(自身を除く): 252733144

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1768, 3536, 7072, 14144, 14149, 28298, 56596, 113192, 183937, 226384, 240533, 367874, 452768, 481066, 735748, 905536, 962132, 1471496, 1924264, 2942992, 3126929, 3848528, 5885984, 6253858, 7697056, 11771968, 12507716, 15394112, 25015432, 50030864, 100061728, 200123456]

約数ペア:

[(1, 200123456), (2, 100061728), (4, 50030864), (8, 25015432), (13, 15394112), (16, 12507716), (17, 11771968), (26, 7697056), (32, 6253858), (34, 5885984), (52, 3848528), (64, 3126929), (68, 2942992), (104, 1924264), (136, 1471496), (208, 962132), (221, 905536), (272, 735748), (416, 481066), (442, 452768), (544, 367874), (832, 240533), (884, 226384), (1088, 183937), (1768, 113192), (3536, 56596), (7072, 28298), (14144, 14149)]