81511736

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{3677}}^1$

素因数の和:3863

約数の個数: 32

約数和(自身を含む): 162861840

約数和(自身を除く): 81350104

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 163, 326, 652, 1304, 2771, 3677, 5542, 7354, 11084, 14708, 22168, 29416, 62509, 125018, 250036, 500072, 599351, 1198702, 2397404, 4794808, 10188967, 20377934, 40755868, 81511736]

約数ペア:

[(1, 81511736), (2, 40755868), (4, 20377934), (8, 10188967), (17, 4794808), (34, 2397404), (68, 1198702), (136, 599351), (163, 500072), (326, 250036), (652, 125018), (1304, 62509), (2771, 29416), (3677, 22168), (5542, 14708), (7354, 11084)]