256443404

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{1009}}^1$

素因数の和:1362

約数の個数: 48

約数和(自身を含む): 532795200

約数和(自身を除く): 276351796

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 313, 406, 626, 812, 1009, 1252, 2018, 2191, 4036, 4382, 7063, 8764, 9077, 14126, 18154, 28252, 29261, 36308, 58522, 63539, 117044, 127078, 204827, 254156, 315817, 409654, 631634, 819308, 1263268, 2210719, 4421438, 8842876, 9158693, 18317386, 36634772, 64110851, 128221702, 256443404]

約数ペア:

[(1, 256443404), (2, 128221702), (4, 64110851), (7, 36634772), (14, 18317386), (28, 9158693), (29, 8842876), (58, 4421438), (116, 2210719), (203, 1263268), (313, 819308), (406, 631634), (626, 409654), (812, 315817), (1009, 254156), (1252, 204827), (2018, 127078), (2191, 117044), (4036, 63539), (4382, 58522), (7063, 36308), (8764, 29261), (9077, 28252), (14126, 18154)]