289449818

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{3989}}^1$

素因数の和:4142

約数の個数: 32

約数和(自身を含む): 510209280

約数和(自身を除く): 220759462

約数列:

[1, 2, 7, 14, 71, 73, 142, 146, 497, 511, 994, 1022, 3989, 5183, 7978, 10366, 27923, 36281, 55846, 72562, 283219, 291197, 566438, 582394, 1982533, 2038379, 3965066, 4076758, 20674987, 41349974, 144724909, 289449818]

約数ペア:

[(1, 289449818), (2, 144724909), (7, 41349974), (14, 20674987), (71, 4076758), (73, 3965066), (142, 2038379), (146, 1982533), (497, 582394), (511, 566438), (994, 291197), (1022, 283219), (3989, 72562), (5183, 55846), (7978, 36281), (10366, 27923)]