660478

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:232

約数の個数: 32

約数和(自身を含む): 1290240

約数和(自身を除く): 629762

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 191, 247, 266, 382, 494, 1337, 1729, 2483, 2674, 3458, 3629, 4966, 7258, 17381, 25403, 34762, 47177, 50806, 94354, 330239, 660478]

約数ペア:

[(1, 660478), (2, 330239), (7, 94354), (13, 50806), (14, 47177), (19, 34762), (26, 25403), (38, 17381), (91, 7258), (133, 4966), (182, 3629), (191, 3458), (247, 2674), (266, 2483), (382, 1729), (494, 1337)]