81743641088

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{499}}^1\times {\mathrm{10321}}^1$

素因数の和:10869

約数の個数: 80

約数和(自身を含む): 168950496000

約数和(自身を除く): 87206854912

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 499, 512, 992, 998, 1984, 1996, 3968, 3992, 7936, 7984, 10321, 15469, 15872, 15968, 20642, 30938, 31936, 41284, 61876, 63872, 82568, 123752, 127744, 165136, 247504, 255488, 319951, 330272, 495008, 639902, 660544, 990016, 1279804, 1321088, 1980032, 2559608, 2642176, 3960064, 5119216, 5150179, 5284352, 7920128, 10238432, 10300358, 20476864, 20600716, 40953728, 41201432, 81907456, 82402864, 159655549, 163814912, 164805728, 319311098, 329611456, 638622196, 659222912, 1277244392, 1318445824, 2554488784, 2636891648, 5108977568, 10217955136, 20435910272, 40871820544, 81743641088]

約数ペア:

[(1, 81743641088), (2, 40871820544), (4, 20435910272), (8, 10217955136), (16, 5108977568), (31, 2636891648), (32, 2554488784), (62, 1318445824), (64, 1277244392), (124, 659222912), (128, 638622196), (248, 329611456), (256, 319311098), (496, 164805728), (499, 163814912), (512, 159655549), (992, 82402864), (998, 81907456), (1984, 41201432), (1996, 40953728), (3968, 20600716), (3992, 20476864), (7936, 10300358), (7984, 10238432), (10321, 7920128), (15469, 5284352), (15872, 5150179), (15968, 5119216), (20642, 3960064), (30938, 2642176), (31936, 2559608), (41284, 1980032), (61876, 1321088), (63872, 1279804), (82568, 990016), (123752, 660544), (127744, 639902), (165136, 495008), (247504, 330272), (255488, 319951)]