28403568

素因数分解:

$2^4\times 3^3\times {\mathrm{37}}^1\times {\mathrm{1777}}^1$

素因数の和:1831

約数の個数: 80

約数和(自身を含む): 83779360

約数和(自身を除く): 55375792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 37, 48, 54, 72, 74, 108, 111, 144, 148, 216, 222, 296, 333, 432, 444, 592, 666, 888, 999, 1332, 1776, 1777, 1998, 2664, 3554, 3996, 5328, 5331, 7108, 7992, 10662, 14216, 15984, 15993, 21324, 28432, 31986, 42648, 47979, 63972, 65749, 85296, 95958, 127944, 131498, 191916, 197247, 255888, 262996, 383832, 394494, 525992, 591741, 767664, 788988, 1051984, 1183482, 1577976, 1775223, 2366964, 3155952, 3550446, 4733928, 7100892, 9467856, 14201784, 28403568]

約数ペア:

[(1, 28403568), (2, 14201784), (3, 9467856), (4, 7100892), (6, 4733928), (8, 3550446), (9, 3155952), (12, 2366964), (16, 1775223), (18, 1577976), (24, 1183482), (27, 1051984), (36, 788988), (37, 767664), (48, 591741), (54, 525992), (72, 394494), (74, 383832), (108, 262996), (111, 255888), (144, 197247), (148, 191916), (216, 131498), (222, 127944), (296, 95958), (333, 85296), (432, 65749), (444, 63972), (592, 47979), (666, 42648), (888, 31986), (999, 28432), (1332, 21324), (1776, 15993), (1777, 15984), (1998, 14216), (2664, 10662), (3554, 7992), (3996, 7108), (5328, 5331)]