390437572

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{820247}}^1$

素因数の和:820275

約数の個数: 24

約数和(自身を含む): 826809984

約数和(自身を除く): 436372412

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 820247, 1640494, 3280988, 5741729, 11483458, 13944199, 22966916, 27888398, 55776796, 97609393, 195218786, 390437572]

約数ペア:

[(1, 390437572), (2, 195218786), (4, 97609393), (7, 55776796), (14, 27888398), (17, 22966916), (28, 13944199), (34, 11483458), (68, 5741729), (119, 3280988), (238, 1640494), (476, 820247)]