66808664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{10531}}^1$

素因数の和:10611

約数の個数: 32

約数和(自身を含む): 137126640

約数和(自身を除く): 70317976

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 6344, 10531, 21062, 42124, 84248, 136903, 273806, 547612, 642391, 1095224, 1284782, 2569564, 5139128, 8351083, 16702166, 33404332, 66808664]

約数ペア:

[(1, 66808664), (2, 33404332), (4, 16702166), (8, 8351083), (13, 5139128), (26, 2569564), (52, 1284782), (61, 1095224), (104, 642391), (122, 547612), (244, 273806), (488, 136903), (793, 84248), (1586, 42124), (3172, 21062), (6344, 10531)]