256069268

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3571}}^1$

素因数の和:3792

約数の個数: 48

約数和(自身を含む): 554488704

約数和(自身を除く): 298419436

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 197, 364, 394, 788, 1379, 2561, 2758, 3571, 5122, 5516, 7142, 10244, 14284, 17927, 24997, 35854, 46423, 49994, 71708, 92846, 99988, 185692, 324961, 649922, 703487, 1299844, 1406974, 2813948, 4924409, 9145331, 9848818, 18290662, 19697636, 36581324, 64017317, 128034634, 256069268]

約数ペア:

[(1, 256069268), (2, 128034634), (4, 64017317), (7, 36581324), (13, 19697636), (14, 18290662), (26, 9848818), (28, 9145331), (52, 4924409), (91, 2813948), (182, 1406974), (197, 1299844), (364, 703487), (394, 649922), (788, 324961), (1379, 185692), (2561, 99988), (2758, 92846), (3571, 71708), (5122, 49994), (5516, 46423), (7142, 35854), (10244, 24997), (14284, 17927)]