289314956

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 587328000

約数和(自身を除く): 298013044

約数列:

[1, 2, 4, 7, 14, 28, 137, 199, 274, 379, 398, 548, 758, 796, 959, 1393, 1516, 1918, 2653, 2786, 3836, 5306, 5572, 10612, 27263, 51923, 54526, 75421, 103846, 109052, 150842, 190841, 207692, 301684, 363461, 381682, 527947, 726922, 763364, 1055894, 1453844, 2111788, 10332677, 20665354, 41330708, 72328739, 144657478, 289314956]

約数ペア:

[(1, 289314956), (2, 144657478), (4, 72328739), (7, 41330708), (14, 20665354), (28, 10332677), (137, 2111788), (199, 1453844), (274, 1055894), (379, 763364), (398, 726922), (548, 527947), (758, 381682), (796, 363461), (959, 301684), (1393, 207692), (1516, 190841), (1918, 150842), (2653, 109052), (2786, 103846), (3836, 75421), (5306, 54526), (5572, 51923), (10612, 27263)]