31908630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81817}}^1$

素因数の和:81840

約数の個数: 32

約数和(自身を含む): 82472544

約数和(自身を除く): 50563914

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 81817, 163634, 245451, 409085, 490902, 818170, 1063621, 1227255, 2127242, 2454510, 3190863, 5318105, 6381726, 10636210, 15954315, 31908630]

約数ペア:

[(1, 31908630), (2, 15954315), (3, 10636210), (5, 6381726), (6, 5318105), (10, 3190863), (13, 2454510), (15, 2127242), (26, 1227255), (30, 1063621), (39, 818170), (65, 490902), (78, 409085), (130, 245451), (195, 163634), (390, 81817)]