28255444

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 58496256

約数和(自身を除く): 30240812

約数列:

[1, 2, 4, 7, 14, 28, 61, 71, 122, 142, 233, 244, 284, 427, 466, 497, 854, 932, 994, 1631, 1708, 1988, 3262, 4331, 6524, 8662, 14213, 16543, 17324, 28426, 30317, 33086, 56852, 60634, 66172, 99491, 115801, 121268, 198982, 231602, 397964, 463204, 1009123, 2018246, 4036492, 7063861, 14127722, 28255444]

約数ペア:

[(1, 28255444), (2, 14127722), (4, 7063861), (7, 4036492), (14, 2018246), (28, 1009123), (61, 463204), (71, 397964), (122, 231602), (142, 198982), (233, 121268), (244, 115801), (284, 99491), (427, 66172), (466, 60634), (497, 56852), (854, 33086), (932, 30317), (994, 28426), (1631, 17324), (1708, 16543), (1988, 14213), (3262, 8662), (4331, 6524)]