78505658

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^2\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 150351552

約数和(自身を除く): 71845894

約数列:

[1, 2, 7, 11, 14, 22, 61, 77, 122, 137, 154, 274, 427, 671, 854, 959, 1342, 1507, 1918, 3014, 3721, 4697, 7442, 8357, 9394, 10549, 16714, 21098, 26047, 40931, 52094, 58499, 81862, 91927, 116998, 183854, 286517, 509777, 573034, 643489, 1019554, 1286978, 3568439, 5607547, 7136878, 11215094, 39252829, 78505658]

約数ペア:

[(1, 78505658), (2, 39252829), (7, 11215094), (11, 7136878), (14, 5607547), (22, 3568439), (61, 1286978), (77, 1019554), (122, 643489), (137, 573034), (154, 509777), (274, 286517), (427, 183854), (671, 116998), (854, 91927), (959, 81862), (1342, 58499), (1507, 52094), (1918, 40931), (3014, 26047), (3721, 21098), (4697, 16714), (7442, 10549), (8357, 9394)]