81716992

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1525

約数の個数: 72

約数和(自身を含む): 192561152

約数和(自身を除く): 110844160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 868, 896, 992, 1471, 1736, 1792, 1984, 2942, 3472, 3968, 5884, 6944, 7936, 10297, 11768, 13888, 20594, 23536, 27776, 41188, 45601, 47072, 55552, 82376, 91202, 94144, 164752, 182404, 188288, 319207, 329504, 364808, 376576, 638414, 659008, 729616, 1276828, 1318016, 1459232, 2553656, 2636032, 2918464, 5107312, 5836928, 10214624, 11673856, 20429248, 40858496, 81716992]

約数ペア:

[(1, 81716992), (2, 40858496), (4, 20429248), (7, 11673856), (8, 10214624), (14, 5836928), (16, 5107312), (28, 2918464), (31, 2636032), (32, 2553656), (56, 1459232), (62, 1318016), (64, 1276828), (112, 729616), (124, 659008), (128, 638414), (217, 376576), (224, 364808), (248, 329504), (256, 319207), (434, 188288), (448, 182404), (496, 164752), (868, 94144), (896, 91202), (992, 82376), (1471, 55552), (1736, 47072), (1792, 45601), (1984, 41188), (2942, 27776), (3472, 23536), (3968, 20594), (5884, 13888), (6944, 11768), (7936, 10297)]