1285997672

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{8460511}}^1$

素因数の和:8460536

約数の個数: 16

約数和(自身を含む): 2538153600

約数和(自身を除く): 1252155928

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 8460511, 16921022, 33842044, 67684088, 160749709, 321499418, 642998836, 1285997672]

約数ペア:

[(1, 1285997672), (2, 642998836), (4, 321499418), (8, 160749709), (19, 67684088), (38, 33842044), (76, 16921022), (152, 8460511)]