1639990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{877}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 3413664

約数和(自身を除く): 1773674

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 877, 935, 1754, 1870, 4385, 8770, 9647, 14909, 19294, 29818, 48235, 74545, 96470, 149090, 163999, 327998, 819995, 1639990]

約数ペア:

[(1, 1639990), (2, 819995), (5, 327998), (10, 163999), (11, 149090), (17, 96470), (22, 74545), (34, 48235), (55, 29818), (85, 19294), (110, 14909), (170, 9647), (187, 8770), (374, 4385), (877, 1870), (935, 1754)]