654325874

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 1014647040

約数和(自身を除く): 360321166

約数列:

[1, 2, 79, 101, 131, 158, 202, 262, 313, 626, 7979, 10349, 13231, 15958, 20698, 24727, 26462, 31613, 41003, 49454, 63226, 82006, 1045249, 2090498, 2497427, 3239237, 4141303, 4994854, 6478474, 8282606, 327162937, 654325874]

約数ペア:

[(1, 654325874), (2, 327162937), (79, 8282606), (101, 6478474), (131, 4994854), (158, 4141303), (202, 3239237), (262, 2497427), (313, 2090498), (626, 1045249), (7979, 82006), (10349, 63226), (13231, 49454), (15958, 41003), (20698, 31613), (24727, 26462)]