64870390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{17207}}^1$

素因数の和:17256

約数の個数: 32

約数和(自身を含む): 130092480

約数和(自身を除く): 65222090

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 17207, 34414, 86035, 172070, 223691, 447382, 499003, 998006, 1118455, 2236910, 2495015, 4990030, 6487039, 12974078, 32435195, 64870390]

約数ペア:

[(1, 64870390), (2, 32435195), (5, 12974078), (10, 6487039), (13, 4990030), (26, 2495015), (29, 2236910), (58, 1118455), (65, 998006), (130, 499003), (145, 447382), (290, 223691), (377, 172070), (754, 86035), (1885, 34414), (3770, 17207)]