405597829

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 509949440

約数和(自身を除く): 104351611

約数列:

[1, 7, 13, 91, 103, 109, 397, 721, 763, 1339, 1417, 2779, 5161, 9373, 9919, 11227, 36127, 40891, 43273, 78589, 145951, 286237, 302911, 531583, 562549, 1021657, 3721081, 3937843, 4457119, 31199833, 57942547, 405597829]

約数ペア:

[(1, 405597829), (7, 57942547), (13, 31199833), (91, 4457119), (103, 3937843), (109, 3721081), (397, 1021657), (721, 562549), (763, 531583), (1339, 302911), (1417, 286237), (2779, 145951), (5161, 78589), (9373, 43273), (9919, 40891), (11227, 36127)]