263486085121

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^2\times {\mathrm{239}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 314536158720

約数和(自身を除く): 51050073599

約数列:

[1, 7, 41, 97, 199, 239, 287, 679, 1393, 1673, 3977, 8159, 9799, 19303, 23183, 27839, 39601, 47561, 57113, 68593, 135121, 162281, 277207, 332927, 791423, 950503, 1623641, 1950001, 3841297, 4613417, 5539961, 6653521, 9464639, 11365487, 13650007, 26889079, 32293919, 66252473, 157493177, 189150097, 388050199, 918069983, 1102452239, 1324050679, 2716351393, 6426489881, 37640869303, 263486085121]

約数ペア:

[(1, 263486085121), (7, 37640869303), (41, 6426489881), (97, 2716351393), (199, 1324050679), (239, 1102452239), (287, 918069983), (679, 388050199), (1393, 189150097), (1673, 157493177), (3977, 66252473), (8159, 32293919), (9799, 26889079), (19303, 13650007), (23183, 11365487), (27839, 9464639), (39601, 6653521), (47561, 5539961), (57113, 4613417), (68593, 3841297), (135121, 1950001), (162281, 1623641), (277207, 950503), (332927, 791423)]