661675165

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1229}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 850176000

約数和(自身を除く): 188500835

約数列:

[1, 5, 29, 47, 79, 145, 235, 395, 1229, 1363, 2291, 3713, 6145, 6815, 11455, 18565, 35641, 57763, 97091, 107677, 178205, 288815, 485455, 538385, 1675127, 2815639, 4563277, 8375635, 14078195, 22816385, 132335033, 661675165]

約数ペア:

[(1, 661675165), (5, 132335033), (29, 22816385), (47, 14078195), (79, 8375635), (145, 4563277), (235, 2815639), (395, 1675127), (1229, 538385), (1363, 485455), (2291, 288815), (3713, 178205), (6145, 107677), (6815, 97091), (11455, 57763), (18565, 35641)]