1490353928

素因数分解:

$2^3\times 7^1\times {\mathrm{1319}}^1\times {\mathrm{20177}}^1$

素因数の和:21509

約数の個数: 32

約数和(自身を含む): 3196195200

約数和(自身を除く): 1705841272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1319, 2638, 5276, 9233, 10552, 18466, 20177, 36932, 40354, 73864, 80708, 141239, 161416, 282478, 564956, 1129912, 26613463, 53226926, 106453852, 186294241, 212907704, 372588482, 745176964, 1490353928]

約数ペア:

[(1, 1490353928), (2, 745176964), (4, 372588482), (7, 212907704), (8, 186294241), (14, 106453852), (28, 53226926), (56, 26613463), (1319, 1129912), (2638, 564956), (5276, 282478), (9233, 161416), (10552, 141239), (18466, 80708), (20177, 73864), (36932, 40354)]