22222178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 38301120

約数和(自身を除く): 16078942

約数列:

[1, 2, 11, 22, 29, 58, 61, 122, 319, 571, 638, 671, 1142, 1342, 1769, 3538, 6281, 12562, 16559, 19459, 33118, 34831, 38918, 69662, 182149, 364298, 383141, 766282, 1010099, 2020198, 11111089, 22222178]

約数ペア:

[(1, 22222178), (2, 11111089), (11, 2020198), (22, 1010099), (29, 766282), (58, 383141), (61, 364298), (122, 182149), (319, 69662), (571, 38918), (638, 34831), (671, 33118), (1142, 19459), (1342, 16559), (1769, 12562), (3538, 6281)]