290996944

素因数分解:

$2^4\times 7^1\times {\mathrm{617}}^1\times {\mathrm{4211}}^1$

素因数の和:4843

約数の個数: 40

約数和(自身を含む): 645547968

約数和(自身を除く): 354551024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 617, 1234, 2468, 4211, 4319, 4936, 8422, 8638, 9872, 16844, 17276, 29477, 33688, 34552, 58954, 67376, 69104, 117908, 235816, 471632, 2598187, 5196374, 10392748, 18187309, 20785496, 36374618, 41570992, 72749236, 145498472, 290996944]

約数ペア:

[(1, 290996944), (2, 145498472), (4, 72749236), (7, 41570992), (8, 36374618), (14, 20785496), (16, 18187309), (28, 10392748), (56, 5196374), (112, 2598187), (617, 471632), (1234, 235816), (2468, 117908), (4211, 69104), (4319, 67376), (4936, 58954), (8422, 34552), (8638, 33688), (9872, 29477), (16844, 17276)]