289490929

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 366073344

約数和(自身を除く): 76582415

約数列:

[1, 7, 13, 53, 91, 193, 311, 371, 689, 1351, 2177, 2509, 4043, 4823, 10229, 16483, 17563, 28301, 60023, 71603, 115381, 132977, 214279, 420161, 780299, 930839, 1499953, 3181219, 5462093, 22268533, 41355847, 289490929]

約数ペア:

[(1, 289490929), (7, 41355847), (13, 22268533), (53, 5462093), (91, 3181219), (193, 1499953), (311, 930839), (371, 780299), (689, 420161), (1351, 214279), (2177, 132977), (2509, 115381), (4043, 71603), (4823, 60023), (10229, 28301), (16483, 17563)]