81180814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 154586880

約数和(自身を除く): 73406066

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 59, 118, 143, 187, 221, 283, 286, 374, 442, 566, 649, 767, 1003, 1298, 1534, 2006, 2431, 3113, 3679, 4811, 4862, 6226, 7358, 8437, 9622, 11033, 13039, 16697, 16874, 22066, 26078, 33394, 40469, 52921, 62543, 80938, 105842, 125086, 143429, 183667, 217061, 283849, 286858, 367334, 434122, 567698, 687973, 1375946, 2387671, 3122339, 3690037, 4775342, 6244678, 7380074, 40590407, 81180814]

約数ペア:

[(1, 81180814), (2, 40590407), (11, 7380074), (13, 6244678), (17, 4775342), (22, 3690037), (26, 3122339), (34, 2387671), (59, 1375946), (118, 687973), (143, 567698), (187, 434122), (221, 367334), (283, 286858), (286, 283849), (374, 217061), (442, 183667), (566, 143429), (649, 125086), (767, 105842), (1003, 80938), (1298, 62543), (1534, 52921), (2006, 40469), (2431, 33394), (3113, 26078), (3679, 22066), (4811, 16874), (4862, 16697), (6226, 13039), (7358, 11033), (8437, 9622)]