81339934

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1129}}^1$

素因数の和:1324

約数の個数: 32

約数和(自身を含む): 140101920

約数和(自身を除く): 58761986

約数列:

[1, 2, 13, 17, 26, 34, 163, 221, 326, 442, 1129, 2119, 2258, 2771, 4238, 5542, 14677, 19193, 29354, 36023, 38386, 72046, 184027, 249509, 368054, 499018, 2392351, 3128459, 4784702, 6256918, 40669967, 81339934]

約数ペア:

[(1, 81339934), (2, 40669967), (13, 6256918), (17, 4784702), (26, 3128459), (34, 2392351), (163, 499018), (221, 368054), (326, 249509), (442, 184027), (1129, 72046), (2119, 38386), (2258, 36023), (2771, 29354), (4238, 19193), (5542, 14677)]