640615758

素因数分解:

$2^1\times 3^1\times {\mathrm{113}}^1\times {\mathrm{383}}^1\times {\mathrm{2467}}^1$

素因数の和:2968

約数の個数: 32

約数和(自身を含む): 1296470016

約数和(自身を除く): 655854258

約数列:

[1, 2, 3, 6, 113, 226, 339, 383, 678, 766, 1149, 2298, 2467, 4934, 7401, 14802, 43279, 86558, 129837, 259674, 278771, 557542, 836313, 944861, 1672626, 1889722, 2834583, 5669166, 106769293, 213538586, 320307879, 640615758]

約数ペア:

[(1, 640615758), (2, 320307879), (3, 213538586), (6, 106769293), (113, 5669166), (226, 2834583), (339, 1889722), (383, 1672626), (678, 944861), (766, 836313), (1149, 557542), (2298, 278771), (2467, 259674), (4934, 129837), (7401, 86558), (14802, 43279)]