78816374

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 153014400

約数和(自身を除く): 74198026

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 109, 137, 182, 203, 218, 274, 377, 406, 754, 763, 959, 1417, 1526, 1781, 1918, 2639, 2834, 3161, 3562, 3973, 5278, 6322, 7946, 9919, 12467, 14933, 19838, 22127, 24934, 27811, 29866, 41093, 44254, 51649, 55622, 82186, 103298, 104531, 194129, 209062, 287651, 361543, 388258, 433057, 575302, 723086, 866114, 1358903, 2717806, 3031399, 5629741, 6062798, 11259482, 39408187, 78816374]

約数ペア:

[(1, 78816374), (2, 39408187), (7, 11259482), (13, 6062798), (14, 5629741), (26, 3031399), (29, 2717806), (58, 1358903), (91, 866114), (109, 723086), (137, 575302), (182, 433057), (203, 388258), (218, 361543), (274, 287651), (377, 209062), (406, 194129), (754, 104531), (763, 103298), (959, 82186), (1417, 55622), (1526, 51649), (1781, 44254), (1918, 41093), (2639, 29866), (2834, 27811), (3161, 24934), (3562, 22127), (3973, 19838), (5278, 14933), (6322, 12467), (7946, 9919)]