81935476

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2707}}^1$

素因数の和:2788

約数の個数: 48

約数和(自身を含む): 174698496

約数和(自身を除く): 92763020

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 47, 92, 94, 161, 188, 322, 329, 644, 658, 1081, 1316, 2162, 2707, 4324, 5414, 7567, 10828, 15134, 18949, 30268, 37898, 62261, 75796, 124522, 127229, 249044, 254458, 435827, 508916, 871654, 890603, 1743308, 1781206, 2926267, 3562412, 5852534, 11705068, 20483869, 40967738, 81935476]

約数ペア:

[(1, 81935476), (2, 40967738), (4, 20483869), (7, 11705068), (14, 5852534), (23, 3562412), (28, 2926267), (46, 1781206), (47, 1743308), (92, 890603), (94, 871654), (161, 508916), (188, 435827), (322, 254458), (329, 249044), (644, 127229), (658, 124522), (1081, 75796), (1316, 62261), (2162, 37898), (2707, 30268), (4324, 18949), (5414, 15134), (7567, 10828)]