221405866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1\times {\mathrm{769}}^1$

素因数の和:1374

約数の個数: 32

約数和(自身を含む): 379209600

約数和(自身を除く): 157803734

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 569, 769, 1138, 1538, 6259, 8459, 12518, 13087, 16918, 17687, 26174, 35374, 143957, 194557, 287914, 389114, 437561, 875122, 4813171, 9626342, 10063903, 20127806, 110702933, 221405866]

約数ペア:

[(1, 221405866), (2, 110702933), (11, 20127806), (22, 10063903), (23, 9626342), (46, 4813171), (253, 875122), (506, 437561), (569, 389114), (769, 287914), (1138, 194557), (1538, 143957), (6259, 35374), (8459, 26174), (12518, 17687), (13087, 16918)]