81959948

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{18181}}^1$

素因数の和:18222

約数の個数: 36

約数和(自身を含む): 174110832

約数和(自身を除く): 92150884

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 18181, 36362, 72724, 127267, 254534, 418163, 509068, 836326, 890869, 1672652, 1781738, 2927141, 3563476, 5854282, 11708564, 20489987, 40979974, 81959948]

約数ペア:

[(1, 81959948), (2, 40979974), (4, 20489987), (7, 11708564), (14, 5854282), (23, 3563476), (28, 2927141), (46, 1781738), (49, 1672652), (92, 890869), (98, 836326), (161, 509068), (196, 418163), (322, 254534), (644, 127267), (1127, 72724), (2254, 36362), (4508, 18181)]