178946028

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{607}}^1$

素因数の和:1067

約数の個数: 72

約数和(自身を含む): 478033920

約数和(自身を除く): 299087892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 431, 607, 684, 862, 1214, 1293, 1724, 1821, 2428, 2586, 3642, 3879, 5172, 5463, 7284, 7758, 8189, 10926, 11533, 15516, 16378, 21852, 23066, 24567, 32756, 34599, 46132, 49134, 69198, 73701, 98268, 103797, 138396, 147402, 207594, 261617, 294804, 415188, 523234, 784851, 1046468, 1569702, 2354553, 3139404, 4709106, 4970723, 9418212, 9941446, 14912169, 19882892, 29824338, 44736507, 59648676, 89473014, 178946028]

約数ペア:

[(1, 178946028), (2, 89473014), (3, 59648676), (4, 44736507), (6, 29824338), (9, 19882892), (12, 14912169), (18, 9941446), (19, 9418212), (36, 4970723), (38, 4709106), (57, 3139404), (76, 2354553), (114, 1569702), (171, 1046468), (228, 784851), (342, 523234), (431, 415188), (607, 294804), (684, 261617), (862, 207594), (1214, 147402), (1293, 138396), (1724, 103797), (1821, 98268), (2428, 73701), (2586, 69198), (3642, 49134), (3879, 46132), (5172, 34599), (5463, 32756), (7284, 24567), (7758, 23066), (8189, 21852), (10926, 16378), (11533, 15516)]