201918470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{19661}}^1$

素因数の和:19760

約数の個数: 32

約数和(自身を含む): 396385920

約数和(自身を除く): 194467450

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 10270, 19661, 39322, 98305, 196610, 255593, 511186, 1277965, 1553219, 2555930, 3106438, 7766095, 15532190, 20191847, 40383694, 100959235, 201918470]

約数ペア:

[(1, 201918470), (2, 100959235), (5, 40383694), (10, 20191847), (13, 15532190), (26, 7766095), (65, 3106438), (79, 2555930), (130, 1553219), (158, 1277965), (395, 511186), (790, 255593), (1027, 196610), (2054, 98305), (5135, 39322), (10270, 19661)]