221736724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{719}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 436423680

約数和(自身を除く): 214686956

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 163, 172, 326, 473, 652, 719, 946, 1438, 1793, 1892, 2876, 3586, 7009, 7172, 7909, 14018, 15818, 28036, 30917, 31636, 61834, 77099, 117197, 123668, 154198, 234394, 308396, 340087, 468788, 680174, 1289167, 1360348, 2578334, 5039471, 5156668, 10078942, 20157884, 55434181, 110868362, 221736724]

約数ペア:

[(1, 221736724), (2, 110868362), (4, 55434181), (11, 20157884), (22, 10078942), (43, 5156668), (44, 5039471), (86, 2578334), (163, 1360348), (172, 1289167), (326, 680174), (473, 468788), (652, 340087), (719, 308396), (946, 234394), (1438, 154198), (1793, 123668), (1892, 117197), (2876, 77099), (3586, 61834), (7009, 31636), (7172, 30917), (7909, 28036), (14018, 15818)]