2078987911

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 2874009600

約数和(自身を除く): 795021689

約数列:

[1, 7, 11, 13, 53, 77, 91, 143, 149, 263, 371, 583, 689, 1001, 1043, 1639, 1841, 1937, 2893, 3419, 4081, 4823, 7579, 7897, 11473, 13559, 13939, 20251, 21307, 23933, 37609, 39187, 53053, 55279, 86867, 97573, 102661, 149149, 153329, 181207, 263263, 274309, 431057, 509431, 608069, 718627, 1073303, 1129271, 1268449, 1993277, 2076911, 3017399, 3566017, 5603741, 7904897, 13952939, 14538377, 22846021, 26999843, 39226187, 159922147, 188998901, 296998273, 2078987911]

約数ペア:

[(1, 2078987911), (7, 296998273), (11, 188998901), (13, 159922147), (53, 39226187), (77, 26999843), (91, 22846021), (143, 14538377), (149, 13952939), (263, 7904897), (371, 5603741), (583, 3566017), (689, 3017399), (1001, 2076911), (1043, 1993277), (1639, 1268449), (1841, 1129271), (1937, 1073303), (2893, 718627), (3419, 608069), (4081, 509431), (4823, 431057), (7579, 274309), (7897, 263263), (11473, 181207), (13559, 153329), (13939, 149149), (20251, 102661), (21307, 97573), (23933, 86867), (37609, 55279), (39187, 53053)]