2131090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{97}}^1$

素因数の和:143

約数の個数: 32

約数和(自身を含む): 4198320

約数和(自身を除く): 2067230

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 169, 194, 338, 485, 845, 970, 1261, 1690, 2197, 2522, 4394, 6305, 10985, 12610, 16393, 21970, 32786, 81965, 163930, 213109, 426218, 1065545, 2131090]

約数ペア:

[(1, 2131090), (2, 1065545), (5, 426218), (10, 213109), (13, 163930), (26, 81965), (65, 32786), (97, 21970), (130, 16393), (169, 12610), (194, 10985), (338, 6305), (485, 4394), (845, 2522), (970, 2197), (1261, 1690)]