288156978

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{227}}^1\times {\mathrm{647}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 633821760

約数和(自身を除く): 345664782

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 227, 327, 454, 647, 654, 681, 981, 1294, 1362, 1941, 1962, 2043, 3882, 4086, 5823, 11646, 24743, 49486, 70523, 74229, 141046, 146869, 148458, 211569, 222687, 293738, 423138, 440607, 445374, 634707, 881214, 1269414, 1321821, 2643642, 16008721, 32017442, 48026163, 96052326, 144078489, 288156978]

約数ペア:

[(1, 288156978), (2, 144078489), (3, 96052326), (6, 48026163), (9, 32017442), (18, 16008721), (109, 2643642), (218, 1321821), (227, 1269414), (327, 881214), (454, 634707), (647, 445374), (654, 440607), (681, 423138), (981, 293738), (1294, 222687), (1362, 211569), (1941, 148458), (1962, 146869), (2043, 141046), (3882, 74229), (4086, 70523), (5823, 49486), (11646, 24743)]