68891752

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{821}}^1$

素因数の和:1461

約数の個数: 32

約数和(自身を含む): 137158920

約数和(自身を除く): 68267168

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 617, 821, 1234, 1642, 2468, 3284, 4936, 6568, 10489, 13957, 20978, 27914, 41956, 55828, 83912, 111656, 506557, 1013114, 2026228, 4052456, 8611469, 17222938, 34445876, 68891752]

約数ペア:

[(1, 68891752), (2, 34445876), (4, 17222938), (8, 8611469), (17, 4052456), (34, 2026228), (68, 1013114), (136, 506557), (617, 111656), (821, 83912), (1234, 55828), (1642, 41956), (2468, 27914), (3284, 20978), (4936, 13957), (6568, 10489)]