64818844

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{421}}^1\times {\mathrm{631}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 115749536

約数和(自身を除く): 50930692

約数列:

[1, 2, 4, 61, 122, 244, 421, 631, 842, 1262, 1684, 2524, 25681, 38491, 51362, 76982, 102724, 153964, 265651, 531302, 1062604, 16204711, 32409422, 64818844]

約数ペア:

[(1, 64818844), (2, 32409422), (4, 16204711), (61, 1062604), (122, 531302), (244, 265651), (421, 153964), (631, 102724), (842, 76982), (1262, 51362), (1684, 38491), (2524, 25681)]