7951710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20389}}^1$

素因数の和:20412

約数の個数: 32

約数和(自身を含む): 20553120

約数和(自身を除く): 12601410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20389, 40778, 61167, 101945, 122334, 203890, 265057, 305835, 530114, 611670, 795171, 1325285, 1590342, 2650570, 3975855, 7951710]

約数ペア:

[(1, 7951710), (2, 3975855), (3, 2650570), (5, 1590342), (6, 1325285), (10, 795171), (13, 611670), (15, 530114), (26, 305835), (30, 265057), (39, 203890), (65, 122334), (78, 101945), (130, 61167), (195, 40778), (390, 20389)]