397776455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1601}}^1$

素因数の和:1739

約数の個数: 32

約数和(自身を含む): 525968640

約数和(自身を除く): 128192185

約数列:

[1, 5, 17, 37, 79, 85, 185, 395, 629, 1343, 1601, 2923, 3145, 6715, 8005, 14615, 27217, 49691, 59237, 126479, 136085, 248455, 296185, 632395, 1007029, 2150143, 4679723, 5035145, 10750715, 23398615, 79555291, 397776455]

約数ペア:

[(1, 397776455), (5, 79555291), (17, 23398615), (37, 10750715), (79, 5035145), (85, 4679723), (185, 2150143), (395, 1007029), (629, 632395), (1343, 296185), (1601, 248455), (2923, 136085), (3145, 126479), (6715, 59237), (8005, 49691), (14615, 27217)]