1999655

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:159

約数の個数: 32

約数和(自身を含む): 3010560

約数和(自身を除く): 1010905

約数列:

[1, 5, 7, 19, 31, 35, 95, 97, 133, 155, 217, 485, 589, 665, 679, 1085, 1843, 2945, 3007, 3395, 4123, 9215, 12901, 15035, 20615, 21049, 57133, 64505, 105245, 285665, 399931, 1999655]

約数ペア:

[(1, 1999655), (5, 399931), (7, 285665), (19, 105245), (31, 64505), (35, 57133), (95, 21049), (97, 20615), (133, 15035), (155, 12901), (217, 9215), (485, 4123), (589, 3395), (665, 3007), (679, 2945), (1085, 1843)]