289886009

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1259}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 349332480

約数和(自身を除く): 59446471

約数列:

[1, 7, 37, 49, 127, 259, 889, 1259, 1813, 4699, 6223, 8813, 32893, 46583, 61691, 159893, 230251, 326081, 1119251, 2282567, 5916041, 7834757, 41412287, 289886009]

約数ペア:

[(1, 289886009), (7, 41412287), (37, 7834757), (49, 5916041), (127, 2282567), (259, 1119251), (889, 326081), (1259, 230251), (1813, 159893), (4699, 61691), (6223, 46583), (8813, 32893)]