220121478

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{251}}^1\times {\mathrm{587}}^1$

素因数の和:929

約数の個数: 48

約数和(自身を含む): 485424576

約数和(自身を除く): 265303098

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 251, 498, 502, 587, 747, 753, 1174, 1494, 1506, 1761, 2259, 3522, 4518, 5283, 10566, 20833, 41666, 48721, 62499, 97442, 124998, 146163, 147337, 187497, 292326, 294674, 374994, 438489, 442011, 876978, 884022, 1326033, 2652066, 12228971, 24457942, 36686913, 73373826, 110060739, 220121478]

約数ペア:

[(1, 220121478), (2, 110060739), (3, 73373826), (6, 36686913), (9, 24457942), (18, 12228971), (83, 2652066), (166, 1326033), (249, 884022), (251, 876978), (498, 442011), (502, 438489), (587, 374994), (747, 294674), (753, 292326), (1174, 187497), (1494, 147337), (1506, 146163), (1761, 124998), (2259, 97442), (3522, 62499), (4518, 48721), (5283, 41666), (10566, 20833)]