64813964

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{491}}^1\times {\mathrm{541}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 115732176

約数和(自身を除く): 50918212

約数列:

[1, 2, 4, 61, 122, 244, 491, 541, 982, 1082, 1964, 2164, 29951, 33001, 59902, 66002, 119804, 132004, 265631, 531262, 1062524, 16203491, 32406982, 64813964]

約数ペア:

[(1, 64813964), (2, 32406982), (4, 16203491), (61, 1062524), (122, 531262), (244, 265631), (491, 132004), (541, 119804), (982, 66002), (1082, 59902), (1964, 33001), (2164, 29951)]