13898180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 31688496

約数和(自身を除く): 17790316

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 997, 1394, 1994, 2788, 3485, 3988, 4985, 6970, 9970, 13940, 16949, 19940, 33898, 40877, 67796, 81754, 84745, 163508, 169490, 204385, 338980, 408770, 694909, 817540, 1389818, 2779636, 3474545, 6949090, 13898180]

約数ペア:

[(1, 13898180), (2, 6949090), (4, 3474545), (5, 2779636), (10, 1389818), (17, 817540), (20, 694909), (34, 408770), (41, 338980), (68, 204385), (82, 169490), (85, 163508), (164, 84745), (170, 81754), (205, 67796), (340, 40877), (410, 33898), (697, 19940), (820, 16949), (997, 13940), (1394, 9970), (1994, 6970), (2788, 4985), (3485, 3988)]