278851188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{6421}}^1$

素因数の和:6493

約数の個数: 96

約数和(自身を含む): 828592128

約数和(自身を除く): 549740940

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 47, 66, 77, 84, 94, 132, 141, 154, 188, 231, 282, 308, 329, 462, 517, 564, 658, 924, 987, 1034, 1316, 1551, 1974, 2068, 3102, 3619, 3948, 6204, 6421, 7238, 10857, 12842, 14476, 19263, 21714, 25684, 38526, 43428, 44947, 70631, 77052, 89894, 134841, 141262, 179788, 211893, 269682, 282524, 301787, 423786, 494417, 539364, 603574, 847572, 905361, 988834, 1207148, 1483251, 1810722, 1977668, 2112509, 2966502, 3319657, 3621444, 4225018, 5933004, 6337527, 6639314, 8450036, 9958971, 12675054, 13278628, 19917942, 23237599, 25350108, 39835884, 46475198, 69712797, 92950396, 139425594, 278851188]

約数ペア:

[(1, 278851188), (2, 139425594), (3, 92950396), (4, 69712797), (6, 46475198), (7, 39835884), (11, 25350108), (12, 23237599), (14, 19917942), (21, 13278628), (22, 12675054), (28, 9958971), (33, 8450036), (42, 6639314), (44, 6337527), (47, 5933004), (66, 4225018), (77, 3621444), (84, 3319657), (94, 2966502), (132, 2112509), (141, 1977668), (154, 1810722), (188, 1483251), (231, 1207148), (282, 988834), (308, 905361), (329, 847572), (462, 603574), (517, 539364), (564, 494417), (658, 423786), (924, 301787), (987, 282524), (1034, 269682), (1316, 211893), (1551, 179788), (1974, 141262), (2068, 134841), (3102, 89894), (3619, 77052), (3948, 70631), (6204, 44947), (6421, 43428), (7238, 38526), (10857, 25684), (12842, 21714), (14476, 19263)]