277777422

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:458

約数の個数: 96

約数和(自身を含む): 676166400

約数和(自身を除く): 398388978

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 149, 186, 234, 257, 279, 298, 403, 447, 514, 558, 771, 806, 894, 1209, 1341, 1542, 1937, 2313, 2418, 2682, 3341, 3627, 3874, 4619, 4626, 5811, 6682, 7254, 7967, 9238, 10023, 11622, 13857, 15934, 17433, 20046, 23901, 27714, 30069, 34866, 38293, 41571, 47802, 60047, 60138, 71703, 76586, 83142, 103571, 114879, 120094, 143406, 180141, 207142, 229758, 310713, 344637, 360282, 497809, 540423, 621426, 689274, 932139, 995618, 1080846, 1187083, 1493427, 1864278, 2374166, 2986854, 3561249, 4480281, 7122498, 8960562, 10683747, 15432079, 21367494, 30864158, 46296237, 92592474, 138888711, 277777422]

約数ペア:

[(1, 277777422), (2, 138888711), (3, 92592474), (6, 46296237), (9, 30864158), (13, 21367494), (18, 15432079), (26, 10683747), (31, 8960562), (39, 7122498), (62, 4480281), (78, 3561249), (93, 2986854), (117, 2374166), (149, 1864278), (186, 1493427), (234, 1187083), (257, 1080846), (279, 995618), (298, 932139), (403, 689274), (447, 621426), (514, 540423), (558, 497809), (771, 360282), (806, 344637), (894, 310713), (1209, 229758), (1341, 207142), (1542, 180141), (1937, 143406), (2313, 120094), (2418, 114879), (2682, 103571), (3341, 83142), (3627, 76586), (3874, 71703), (4619, 60138), (4626, 60047), (5811, 47802), (6682, 41571), (7254, 38293), (7967, 34866), (9238, 30069), (10023, 27714), (11622, 23901), (13857, 20046), (15934, 17433)]