64959388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{20479}}^1$

素因数の和:20557

約数の個数: 24

約数和(自身を含む): 124436480

約数和(自身を除く): 59477092

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 20479, 40958, 81916, 266227, 532454, 1064908, 1249219, 2498438, 4996876, 16239847, 32479694, 64959388]

約数ペア:

[(1, 64959388), (2, 32479694), (4, 16239847), (13, 4996876), (26, 2498438), (52, 1249219), (61, 1064908), (122, 532454), (244, 266227), (793, 81916), (1586, 40958), (3172, 20479)]