390102419

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 474771456

約数和(自身を除く): 84669037

約数列:

[1, 7, 31, 53, 107, 217, 317, 371, 749, 1643, 2219, 3317, 5671, 9827, 11501, 16801, 23219, 33919, 39697, 68789, 117607, 175801, 237433, 520831, 1051489, 1230607, 1797707, 3645817, 7360423, 12583949, 55728917, 390102419]

約数ペア:

[(1, 390102419), (7, 55728917), (31, 12583949), (53, 7360423), (107, 3645817), (217, 1797707), (317, 1230607), (371, 1051489), (749, 520831), (1643, 237433), (2219, 175801), (3317, 117607), (5671, 68789), (9827, 39697), (11501, 33919), (16801, 23219)]