28215522

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 62857080

約数和(自身を除く): 34641558

約数列:

[1, 2, 3, 6, 9, 18, 73, 109, 146, 197, 218, 219, 327, 394, 438, 591, 654, 657, 981, 1182, 1314, 1773, 1962, 3546, 7957, 14381, 15914, 21473, 23871, 28762, 42946, 43143, 47742, 64419, 71613, 86286, 128838, 129429, 143226, 193257, 258858, 386514, 1567529, 3135058, 4702587, 9405174, 14107761, 28215522]

約数ペア:

[(1, 28215522), (2, 14107761), (3, 9405174), (6, 4702587), (9, 3135058), (18, 1567529), (73, 386514), (109, 258858), (146, 193257), (197, 143226), (218, 129429), (219, 128838), (327, 86286), (394, 71613), (438, 64419), (591, 47742), (654, 43143), (657, 42946), (981, 28762), (1182, 23871), (1314, 21473), (1773, 15914), (1962, 14381), (3546, 7957)]