90211210

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{647}}^1$

素因数の和:918

約数の個数: 32

約数和(自身を含む): 165722112

約数和(自身を除く): 75510902

約数列:

[1, 2, 5, 10, 73, 146, 191, 365, 382, 647, 730, 955, 1294, 1910, 3235, 6470, 13943, 27886, 47231, 69715, 94462, 123577, 139430, 236155, 247154, 472310, 617885, 1235770, 9021121, 18042242, 45105605, 90211210]

約数ペア:

[(1, 90211210), (2, 45105605), (5, 18042242), (10, 9021121), (73, 1235770), (146, 617885), (191, 472310), (365, 247154), (382, 236155), (647, 139430), (730, 123577), (955, 94462), (1294, 69715), (1910, 47231), (3235, 27886), (6470, 13943)]