870878456

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{254941}}^1$

素因数の和:255015

約数の個数: 32

約数和(自身を含む): 1896768480

約数和(自身を除く): 1025890024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 254941, 509882, 1019764, 1784587, 2039528, 3569174, 7138348, 14276696, 15551401, 31102802, 62205604, 108859807, 124411208, 217719614, 435439228, 870878456]

約数ペア:

[(1, 870878456), (2, 435439228), (4, 217719614), (7, 124411208), (8, 108859807), (14, 62205604), (28, 31102802), (56, 15551401), (61, 14276696), (122, 7138348), (244, 3569174), (427, 2039528), (488, 1784587), (854, 1019764), (1708, 509882), (3416, 254941)]