248696511

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 397579104

約数和(自身を除く): 148882593

約数列:

[1, 3, 7, 21, 49, 53, 137, 147, 159, 233, 371, 411, 699, 959, 1113, 1631, 2597, 2877, 4893, 6713, 7261, 7791, 11417, 12349, 20139, 21783, 31921, 34251, 37047, 50827, 86443, 95763, 152481, 223447, 259329, 355789, 605101, 670341, 1067367, 1564129, 1691813, 1815303, 4692387, 5075439, 11842691, 35528073, 82898837, 248696511]

約数ペア:

[(1, 248696511), (3, 82898837), (7, 35528073), (21, 11842691), (49, 5075439), (53, 4692387), (137, 1815303), (147, 1691813), (159, 1564129), (233, 1067367), (371, 670341), (411, 605101), (699, 355789), (959, 259329), (1113, 223447), (1631, 152481), (2597, 95763), (2877, 86443), (4893, 50827), (6713, 37047), (7261, 34251), (7791, 31921), (11417, 21783), (12349, 20139)]