31813834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{431}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 54867456

約数和(自身を除く): 23053622

約数列:

[1, 2, 13, 17, 26, 34, 167, 221, 334, 431, 442, 862, 2171, 2839, 4342, 5603, 5678, 7327, 11206, 14654, 36907, 71977, 73814, 95251, 143954, 190502, 935701, 1223609, 1871402, 2447218, 15906917, 31813834]

約数ペア:

[(1, 31813834), (2, 15906917), (13, 2447218), (17, 1871402), (26, 1223609), (34, 935701), (167, 190502), (221, 143954), (334, 95251), (431, 73814), (442, 71977), (862, 36907), (2171, 14654), (2839, 11206), (4342, 7327), (5603, 5678)]