28197356

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 60328800

約数和(自身を除く): 32131444

約数列:

[1, 2, 4, 11, 17, 22, 23, 34, 44, 46, 68, 92, 121, 149, 187, 242, 253, 298, 374, 391, 484, 506, 596, 748, 782, 1012, 1564, 1639, 2057, 2533, 2783, 3278, 3427, 4114, 4301, 5066, 5566, 6556, 6854, 8228, 8602, 10132, 11132, 13708, 17204, 18029, 27863, 36058, 37697, 47311, 55726, 58259, 72116, 75394, 94622, 111452, 116518, 150788, 189244, 233036, 306493, 414667, 612986, 640849, 829334, 1225972, 1281698, 1658668, 2563396, 7049339, 14098678, 28197356]

約数ペア:

[(1, 28197356), (2, 14098678), (4, 7049339), (11, 2563396), (17, 1658668), (22, 1281698), (23, 1225972), (34, 829334), (44, 640849), (46, 612986), (68, 414667), (92, 306493), (121, 233036), (149, 189244), (187, 150788), (242, 116518), (253, 111452), (298, 94622), (374, 75394), (391, 72116), (484, 58259), (506, 55726), (596, 47311), (748, 37697), (782, 36058), (1012, 27863), (1564, 18029), (1639, 17204), (2057, 13708), (2533, 11132), (2783, 10132), (3278, 8602), (3427, 8228), (4114, 6854), (4301, 6556), (5066, 5566)]