81828890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{57223}}^1$

素因数の和:57254

約数の個数: 32

約数和(自身を含む): 173045376

約数和(自身を除く): 91216486

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 57223, 114446, 286115, 572230, 629453, 743899, 1258906, 1487798, 3147265, 3719495, 6294530, 7438990, 8182889, 16365778, 40914445, 81828890]

約数ペア:

[(1, 81828890), (2, 40914445), (5, 16365778), (10, 8182889), (11, 7438990), (13, 6294530), (22, 3719495), (26, 3147265), (55, 1487798), (65, 1258906), (110, 743899), (130, 629453), (143, 572230), (286, 286115), (715, 114446), (1430, 57223)]