478996973

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 660441600

約数和(自身を除く): 181444627

約数列:

[1, 7, 13, 19, 29, 41, 91, 133, 203, 233, 247, 287, 377, 533, 551, 779, 1189, 1631, 1729, 2639, 3029, 3731, 3857, 4427, 5453, 6757, 7163, 8323, 9553, 10127, 15457, 21203, 22591, 30989, 47299, 50141, 57551, 66871, 70889, 87841, 108199, 124189, 128383, 158137, 181507, 277037, 293683, 402857, 614887, 869323, 898681, 1270549, 1668979, 1939259, 2055781, 2359591, 3601481, 5263703, 11682853, 16517137, 25210367, 36845921, 68428139, 478996973]

約数ペア:

[(1, 478996973), (7, 68428139), (13, 36845921), (19, 25210367), (29, 16517137), (41, 11682853), (91, 5263703), (133, 3601481), (203, 2359591), (233, 2055781), (247, 1939259), (287, 1668979), (377, 1270549), (533, 898681), (551, 869323), (779, 614887), (1189, 402857), (1631, 293683), (1729, 277037), (2639, 181507), (3029, 158137), (3731, 128383), (3857, 124189), (4427, 108199), (5453, 87841), (6757, 70889), (7163, 66871), (8323, 57551), (9553, 50141), (10127, 47299), (15457, 30989), (21203, 22591)]