81185188

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{241}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 166852224

約数和(自身を除く): 85667036

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 227, 241, 371, 454, 482, 742, 908, 964, 1484, 1589, 1687, 3178, 3374, 6356, 6748, 12031, 12773, 24062, 25546, 48124, 51092, 54707, 84217, 89411, 109414, 168434, 178822, 218828, 336868, 357644, 382949, 765898, 1531796, 2899471, 5798942, 11597884, 20296297, 40592594, 81185188]

約数ペア:

[(1, 81185188), (2, 40592594), (4, 20296297), (7, 11597884), (14, 5798942), (28, 2899471), (53, 1531796), (106, 765898), (212, 382949), (227, 357644), (241, 336868), (371, 218828), (454, 178822), (482, 168434), (742, 109414), (908, 89411), (964, 84217), (1484, 54707), (1589, 51092), (1687, 48124), (3178, 25546), (3374, 24062), (6356, 12773), (6748, 12031)]