220991012

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{563}}^1\times {\mathrm{811}}^1$

素因数の和:1400

約数の個数: 36

約数和(自身を含む): 426368208

約数和(自身を除く): 205377196

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 563, 811, 1126, 1622, 2252, 3244, 6193, 8921, 12386, 17842, 24772, 35684, 68123, 98131, 136246, 196262, 272492, 392524, 456593, 913186, 1826372, 5022523, 10045046, 20090092, 55247753, 110495506, 220991012]

約数ペア:

[(1, 220991012), (2, 110495506), (4, 55247753), (11, 20090092), (22, 10045046), (44, 5022523), (121, 1826372), (242, 913186), (484, 456593), (563, 392524), (811, 272492), (1126, 196262), (1622, 136246), (2252, 98131), (3244, 68123), (6193, 35684), (8921, 24772), (12386, 17842)]