1291288712

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{115873}}^1$

素因数の和:116085

約数の個数: 32

約数和(自身を含む): 2780976000

約数和(自身を除く): 1489687288

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1592, 2786, 5572, 11144, 115873, 231746, 463492, 811111, 926984, 1622222, 3244444, 6488888, 23058727, 46117454, 92234908, 161411089, 184469816, 322822178, 645644356, 1291288712]

約数ペア:

[(1, 1291288712), (2, 645644356), (4, 322822178), (7, 184469816), (8, 161411089), (14, 92234908), (28, 46117454), (56, 23058727), (199, 6488888), (398, 3244444), (796, 1622222), (1393, 926984), (1592, 811111), (2786, 463492), (5572, 231746), (11144, 115873)]