138752928

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{20947}}^1$

素因数の和:20986

約数の個数: 72

約数和(自身を含む): 411753888

約数和(自身を除く): 273000960

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 138, 144, 184, 207, 276, 288, 368, 414, 552, 736, 828, 1104, 1656, 2208, 3312, 6624, 20947, 41894, 62841, 83788, 125682, 167576, 188523, 251364, 335152, 377046, 481781, 502728, 670304, 754092, 963562, 1005456, 1445343, 1508184, 1927124, 2010912, 2890686, 3016368, 3854248, 4336029, 5781372, 6032736, 7708496, 8672058, 11562744, 15416992, 17344116, 23125488, 34688232, 46250976, 69376464, 138752928]

約数ペア:

[(1, 138752928), (2, 69376464), (3, 46250976), (4, 34688232), (6, 23125488), (8, 17344116), (9, 15416992), (12, 11562744), (16, 8672058), (18, 7708496), (23, 6032736), (24, 5781372), (32, 4336029), (36, 3854248), (46, 3016368), (48, 2890686), (69, 2010912), (72, 1927124), (92, 1508184), (96, 1445343), (138, 1005456), (144, 963562), (184, 754092), (207, 670304), (276, 502728), (288, 481781), (368, 377046), (414, 335152), (552, 251364), (736, 188523), (828, 167576), (1104, 125682), (1656, 83788), (2208, 62841), (3312, 41894), (6624, 20947)]