81595472

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 189702144

約数和(自身を除く): 108106672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 71, 112, 124, 142, 217, 248, 284, 331, 434, 496, 497, 568, 662, 868, 994, 1136, 1324, 1736, 1988, 2201, 2317, 2648, 3472, 3976, 4402, 4634, 5296, 7952, 8804, 9268, 10261, 15407, 17608, 18536, 20522, 23501, 30814, 35216, 37072, 41044, 47002, 61628, 71827, 82088, 94004, 123256, 143654, 164176, 164507, 188008, 246512, 287308, 329014, 376016, 574616, 658028, 728531, 1149232, 1316056, 1457062, 2632112, 2914124, 5099717, 5828248, 10199434, 11656496, 20398868, 40797736, 81595472]

約数ペア:

[(1, 81595472), (2, 40797736), (4, 20398868), (7, 11656496), (8, 10199434), (14, 5828248), (16, 5099717), (28, 2914124), (31, 2632112), (56, 1457062), (62, 1316056), (71, 1149232), (112, 728531), (124, 658028), (142, 574616), (217, 376016), (248, 329014), (284, 287308), (331, 246512), (434, 188008), (496, 164507), (497, 164176), (568, 143654), (662, 123256), (868, 94004), (994, 82088), (1136, 71827), (1324, 61628), (1736, 47002), (1988, 41044), (2201, 37072), (2317, 35216), (2648, 30814), (3472, 23501), (3976, 20522), (4402, 18536), (4634, 17608), (5296, 15407), (7952, 10261), (8804, 9268)]