205457956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 418394592

約数和(自身を除く): 212936636

約数列:

[1, 2, 4, 11, 22, 31, 43, 44, 62, 86, 113, 124, 172, 226, 341, 452, 473, 682, 946, 961, 1243, 1333, 1364, 1892, 1922, 2486, 2666, 3503, 3844, 4859, 4972, 5332, 7006, 9718, 10571, 14012, 14663, 19436, 21142, 29326, 38533, 41323, 42284, 53449, 58652, 77066, 82646, 106898, 108593, 150629, 154132, 165292, 213796, 217186, 301258, 434372, 454553, 602516, 909106, 1194523, 1656919, 1818212, 2389046, 3313838, 4669499, 4778092, 6627676, 9338998, 18677996, 51364489, 102728978, 205457956]

約数ペア:

[(1, 205457956), (2, 102728978), (4, 51364489), (11, 18677996), (22, 9338998), (31, 6627676), (43, 4778092), (44, 4669499), (62, 3313838), (86, 2389046), (113, 1818212), (124, 1656919), (172, 1194523), (226, 909106), (341, 602516), (452, 454553), (473, 434372), (682, 301258), (946, 217186), (961, 213796), (1243, 165292), (1333, 154132), (1364, 150629), (1892, 108593), (1922, 106898), (2486, 82646), (2666, 77066), (3503, 58652), (3844, 53449), (4859, 42284), (4972, 41323), (5332, 38533), (7006, 29326), (9718, 21142), (10571, 19436), (14012, 14663)]