66216964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{24671}}^1$

素因数の和:24747

約数の個数: 24

約数和(自身を含む): 128491776

約数和(自身を除く): 62274812

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 24671, 49342, 98684, 271381, 542762, 1085524, 1504931, 3009862, 6019724, 16554241, 33108482, 66216964]

約数ペア:

[(1, 66216964), (2, 33108482), (4, 16554241), (11, 6019724), (22, 3009862), (44, 1504931), (61, 1085524), (122, 542762), (244, 271381), (671, 98684), (1342, 49342), (2684, 24671)]