81295852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 160683264

約数和(自身を除く): 79387412

約数列:

[1, 2, 4, 11, 22, 44, 53, 71, 106, 142, 212, 284, 491, 583, 781, 982, 1166, 1562, 1964, 2332, 3124, 3763, 5401, 7526, 10802, 15052, 21604, 26023, 34861, 41393, 52046, 69722, 82786, 104092, 139444, 165572, 286253, 383471, 572506, 766942, 1145012, 1533884, 1847633, 3695266, 7390532, 20323963, 40647926, 81295852]

約数ペア:

[(1, 81295852), (2, 40647926), (4, 20323963), (11, 7390532), (22, 3695266), (44, 1847633), (53, 1533884), (71, 1145012), (106, 766942), (142, 572506), (212, 383471), (284, 286253), (491, 165572), (583, 139444), (781, 104092), (982, 82786), (1166, 69722), (1562, 52046), (1964, 41393), (2332, 34861), (3124, 26023), (3763, 21604), (5401, 15052), (7526, 10802)]