391424065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 511349760

約数和(自身を除く): 119925695

約数列:

[1, 5, 17, 71, 79, 85, 355, 395, 821, 1207, 1343, 4105, 5609, 6035, 6715, 13957, 28045, 58291, 64859, 69785, 95353, 291455, 324295, 476765, 990947, 1102603, 4604989, 4954735, 5513015, 23024945, 78284813, 391424065]

約数ペア:

[(1, 391424065), (5, 78284813), (17, 23024945), (71, 5513015), (79, 4954735), (85, 4604989), (355, 1102603), (395, 990947), (821, 476765), (1207, 324295), (1343, 291455), (4105, 95353), (5609, 69785), (6035, 64859), (6715, 58291), (13957, 28045)]