80990604

素因数分解:

$2^2\times 3^4\times {\mathrm{249971}}^1$

素因数の和:249987

約数の個数: 30

約数和(自身を含む): 211726284

約数和(自身を除く): 130735680

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 249971, 499942, 749913, 999884, 1499826, 2249739, 2999652, 4499478, 6749217, 8998956, 13498434, 20247651, 26996868, 40495302, 80990604]

約数ペア:

[(1, 80990604), (2, 40495302), (3, 26996868), (4, 20247651), (6, 13498434), (9, 8998956), (12, 6749217), (18, 4499478), (27, 2999652), (36, 2249739), (54, 1499826), (81, 999884), (108, 749913), (162, 499942), (324, 249971)]