8981665

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 13789440

約数和(自身を除く): 4807775

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 205, 287, 385, 451, 569, 1435, 2255, 2845, 3157, 3983, 6259, 15785, 19915, 23329, 31295, 43813, 116645, 163303, 219065, 256619, 816515, 1283095, 1796333, 8981665]

約数ペア:

[(1, 8981665), (5, 1796333), (7, 1283095), (11, 816515), (35, 256619), (41, 219065), (55, 163303), (77, 116645), (205, 43813), (287, 31295), (385, 23329), (451, 19915), (569, 15785), (1435, 6259), (2255, 3983), (2845, 3157)]