128461888

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1187}}^1$

素因数の和:1307

約数の個数: 56

約数和(自身を含む): 271576800

約数和(自身を除く): 143114912

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 89, 152, 178, 304, 356, 608, 712, 1187, 1216, 1424, 1691, 2374, 2848, 3382, 4748, 5696, 6764, 9496, 13528, 18992, 22553, 27056, 37984, 45106, 54112, 75968, 90212, 105643, 108224, 180424, 211286, 360848, 422572, 721696, 845144, 1443392, 1690288, 2007217, 3380576, 4014434, 6761152, 8028868, 16057736, 32115472, 64230944, 128461888]

約数ペア:

[(1, 128461888), (2, 64230944), (4, 32115472), (8, 16057736), (16, 8028868), (19, 6761152), (32, 4014434), (38, 3380576), (64, 2007217), (76, 1690288), (89, 1443392), (152, 845144), (178, 721696), (304, 422572), (356, 360848), (608, 211286), (712, 180424), (1187, 108224), (1216, 105643), (1424, 90212), (1691, 75968), (2374, 54112), (2848, 45106), (3382, 37984), (4748, 27056), (5696, 22553), (6764, 18992), (9496, 13528)]