221996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 430080

約数和(自身を除く): 208084

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 127, 254, 437, 508, 874, 1748, 2413, 2921, 4826, 5842, 9652, 11684, 55499, 110998, 221996]

約数ペア:

[(1, 221996), (2, 110998), (4, 55499), (19, 11684), (23, 9652), (38, 5842), (46, 4826), (76, 2921), (92, 2413), (127, 1748), (254, 874), (437, 508)]