28303210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217717}}^1$

素因数の和:217737

約数の個数: 16

約数和(自身を含む): 54864936

約数和(自身を除く): 26561726

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 217717, 435434, 1088585, 2177170, 2830321, 5660642, 14151605, 28303210]

約数ペア:

[(1, 28303210), (2, 14151605), (5, 5660642), (10, 2830321), (13, 2177170), (26, 1088585), (65, 435434), (130, 217717)]