7871370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20183}}^1$

素因数の和:20206

約数の個数: 32

約数和(自身を含む): 20345472

約数和(自身を除く): 12474102

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20183, 40366, 60549, 100915, 121098, 201830, 262379, 302745, 524758, 605490, 787137, 1311895, 1574274, 2623790, 3935685, 7871370]

約数ペア:

[(1, 7871370), (2, 3935685), (3, 2623790), (5, 1574274), (6, 1311895), (10, 787137), (13, 605490), (15, 524758), (26, 302745), (30, 262379), (39, 201830), (65, 121098), (78, 100915), (130, 60549), (195, 40366), (390, 20183)]