388376215

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{58271}}^1$

素因数の和:58350

約数の個数: 16

約数和(自身を含む): 492281856

約数和(自身を除く): 103905641

約数列:

[1, 5, 31, 43, 155, 215, 1333, 6665, 58271, 291355, 1806401, 2505653, 9032005, 12528265, 77675243, 388376215]

約数ペア:

[(1, 388376215), (5, 77675243), (31, 12528265), (43, 9032005), (155, 2505653), (215, 1806401), (1333, 291355), (6665, 58271)]