31381572

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 76231232

約数和(自身を除く): 44849660

約数列:

[1, 2, 3, 4, 6, 12, 43, 61, 86, 122, 129, 172, 183, 244, 258, 366, 516, 732, 997, 1994, 2623, 2991, 3988, 5246, 5982, 7869, 10492, 11964, 15738, 31476, 42871, 60817, 85742, 121634, 128613, 171484, 182451, 243268, 257226, 364902, 514452, 729804, 2615131, 5230262, 7845393, 10460524, 15690786, 31381572]

約数ペア:

[(1, 31381572), (2, 15690786), (3, 10460524), (4, 7845393), (6, 5230262), (12, 2615131), (43, 729804), (61, 514452), (86, 364902), (122, 257226), (129, 243268), (172, 182451), (183, 171484), (244, 128613), (258, 121634), (366, 85742), (516, 60817), (732, 42871), (997, 31476), (1994, 15738), (2623, 11964), (2991, 10492), (3988, 7869), (5246, 5982)]