1330991998

素因数分解:

$2^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1$

素因数の和:845

約数の個数: 48

約数和(自身を含む): 2355696000

約数和(自身を除く): 1024704002

約数列:

[1, 2, 7, 14, 49, 98, 139, 199, 278, 398, 491, 973, 982, 1393, 1946, 2786, 3437, 6811, 6874, 9751, 13622, 19502, 24059, 27661, 48118, 55322, 68249, 97709, 136498, 193627, 195418, 387254, 477743, 683963, 955486, 1355389, 1367926, 2710778, 3344201, 4787741, 6688402, 9575482, 13581551, 27163102, 95070857, 190141714, 665495999, 1330991998]

約数ペア:

[(1, 1330991998), (2, 665495999), (7, 190141714), (14, 95070857), (49, 27163102), (98, 13581551), (139, 9575482), (199, 6688402), (278, 4787741), (398, 3344201), (491, 2710778), (973, 1367926), (982, 1355389), (1393, 955486), (1946, 683963), (2786, 477743), (3437, 387254), (6811, 195418), (6874, 193627), (9751, 136498), (13622, 97709), (19502, 68249), (24059, 55322), (27661, 48118)]