2638403715

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1\times {\mathrm{7717}}^1$

素因数の和:8739

約数の個数: 32

約数和(自身を含む): 4410003456

約数和(自身を除く): 1771599741

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 991, 2973, 4955, 7717, 14865, 22793, 23151, 38585, 68379, 113965, 115755, 177491, 341895, 532473, 887455, 2662365, 7647547, 22942641, 38237735, 114713205, 175893581, 527680743, 879467905, 2638403715]

約数ペア:

[(1, 2638403715), (3, 879467905), (5, 527680743), (15, 175893581), (23, 114713205), (69, 38237735), (115, 22942641), (345, 7647547), (991, 2662365), (2973, 887455), (4955, 532473), (7717, 341895), (14865, 177491), (22793, 115755), (23151, 113965), (38585, 68379)]