218874964

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^3\times {\mathrm{839}}^1$

素因数の和:890

約数の個数: 72

約数和(自身を含む): 490674240

約数和(自身を除く): 271799276

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 484, 539, 839, 847, 1078, 1331, 1678, 1694, 2156, 2662, 3356, 3388, 5324, 5873, 5929, 9229, 9317, 11746, 11858, 18458, 18634, 23492, 23716, 36916, 37268, 41111, 64603, 65219, 82222, 101519, 129206, 130438, 164444, 203038, 258412, 260876, 406076, 452221, 710633, 904442, 1116709, 1421266, 1808884, 2233418, 2842532, 4466836, 4974431, 7816963, 9948862, 15633926, 19897724, 31267852, 54718741, 109437482, 218874964]

約数ペア:

[(1, 218874964), (2, 109437482), (4, 54718741), (7, 31267852), (11, 19897724), (14, 15633926), (22, 9948862), (28, 7816963), (44, 4974431), (49, 4466836), (77, 2842532), (98, 2233418), (121, 1808884), (154, 1421266), (196, 1116709), (242, 904442), (308, 710633), (484, 452221), (539, 406076), (839, 260876), (847, 258412), (1078, 203038), (1331, 164444), (1678, 130438), (1694, 129206), (2156, 101519), (2662, 82222), (3356, 65219), (3388, 64603), (5324, 41111), (5873, 37268), (5929, 36916), (9229, 23716), (9317, 23492), (11746, 18634), (11858, 18458)]