2008321978

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{619}}^1$

素因数の和:1007

約数の個数: 48

約数和(自身を含む): 3390184800

約数和(自身を除く): 1381862822

約数列:

[1, 2, 13, 26, 29, 58, 169, 331, 338, 377, 619, 662, 754, 1238, 4303, 4901, 8047, 8606, 9599, 9802, 16094, 17951, 19198, 35902, 55939, 104611, 111878, 124787, 204889, 209222, 233363, 249574, 409778, 466726, 1622231, 2663557, 3033719, 3244462, 5327114, 5941781, 6067438, 11883562, 34626241, 69252482, 77243153, 154486306, 1004160989, 2008321978]

約数ペア:

[(1, 2008321978), (2, 1004160989), (13, 154486306), (26, 77243153), (29, 69252482), (58, 34626241), (169, 11883562), (331, 6067438), (338, 5941781), (377, 5327114), (619, 3244462), (662, 3033719), (754, 2663557), (1238, 1622231), (4303, 466726), (4901, 409778), (8047, 249574), (8606, 233363), (9599, 209222), (9802, 204889), (16094, 124787), (17951, 111878), (19198, 104611), (35902, 55939)]