890753828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1\times {\mathrm{563}}^1$

素因数の和:1076

約数の個数: 48

約数和(自身を含む): 1688480640

約数和(自身を除く): 797726812

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 439, 563, 878, 901, 1126, 1756, 1802, 2252, 3604, 7463, 9571, 14926, 19142, 23267, 29839, 29852, 38284, 46534, 59678, 93068, 119356, 247157, 395539, 494314, 507263, 791078, 988628, 1014526, 1582156, 2029052, 4201669, 8403338, 13099321, 16806676, 26198642, 52397284, 222688457, 445376914, 890753828]

約数ペア:

[(1, 890753828), (2, 445376914), (4, 222688457), (17, 52397284), (34, 26198642), (53, 16806676), (68, 13099321), (106, 8403338), (212, 4201669), (439, 2029052), (563, 1582156), (878, 1014526), (901, 988628), (1126, 791078), (1756, 507263), (1802, 494314), (2252, 395539), (3604, 247157), (7463, 119356), (9571, 93068), (14926, 59678), (19142, 46534), (23267, 38284), (29839, 29852)]