1311451778

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{1663}}^1$

素因数の和:2311

約数の個数: 48

約数和(自身を含む): 2469841920

約数和(自身を除く): 1158390142

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 619, 637, 1238, 1274, 1663, 3326, 4333, 8047, 8666, 11641, 16094, 21619, 23282, 30331, 43238, 56329, 60662, 81487, 112658, 151333, 162974, 302666, 394303, 788606, 1029397, 1059331, 2058794, 2118662, 7205779, 13382161, 14411558, 26764322, 50440453, 93675127, 100880906, 187350254, 655725889, 1311451778]

約数ペア:

[(1, 1311451778), (2, 655725889), (7, 187350254), (13, 100880906), (14, 93675127), (26, 50440453), (49, 26764322), (91, 14411558), (98, 13382161), (182, 7205779), (619, 2118662), (637, 2058794), (1238, 1059331), (1274, 1029397), (1663, 788606), (3326, 394303), (4333, 302666), (8047, 162974), (8666, 151333), (11641, 112658), (16094, 81487), (21619, 60662), (23282, 56329), (30331, 43238)]