68741632

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 80

約数和(自身を含む): 146133504

約数和(自身を除く): 77391872

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 71, 122, 124, 128, 142, 244, 248, 256, 284, 488, 496, 512, 568, 976, 992, 1136, 1891, 1952, 1984, 2201, 2272, 3782, 3904, 3968, 4331, 4402, 4544, 7564, 7808, 7936, 8662, 8804, 9088, 15128, 15616, 15872, 17324, 17608, 18176, 30256, 31232, 34648, 35216, 36352, 60512, 69296, 70432, 121024, 134261, 138592, 140864, 242048, 268522, 277184, 281728, 484096, 537044, 554368, 563456, 968192, 1074088, 1108736, 1126912, 2148176, 2217472, 4296352, 8592704, 17185408, 34370816, 68741632]

約数ペア:

[(1, 68741632), (2, 34370816), (4, 17185408), (8, 8592704), (16, 4296352), (31, 2217472), (32, 2148176), (61, 1126912), (62, 1108736), (64, 1074088), (71, 968192), (122, 563456), (124, 554368), (128, 537044), (142, 484096), (244, 281728), (248, 277184), (256, 268522), (284, 242048), (488, 140864), (496, 138592), (512, 134261), (568, 121024), (976, 70432), (992, 69296), (1136, 60512), (1891, 36352), (1952, 35216), (1984, 34648), (2201, 31232), (2272, 30256), (3782, 18176), (3904, 17608), (3968, 17324), (4331, 15872), (4402, 15616), (4544, 15128), (7564, 9088), (7808, 8804), (7936, 8662)]