81271792

素因数分解:

$2^4\times 7^3\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:339

約数の個数: 80

約数和(自身を含む): 187488000

約数和(自身を除く): 106216208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 59, 98, 112, 118, 196, 236, 251, 343, 392, 413, 472, 502, 686, 784, 826, 944, 1004, 1372, 1652, 1757, 2008, 2744, 2891, 3304, 3514, 4016, 5488, 5782, 6608, 7028, 11564, 12299, 14056, 14809, 20237, 23128, 24598, 28112, 29618, 40474, 46256, 49196, 59236, 80948, 86093, 98392, 103663, 118472, 161896, 172186, 196784, 207326, 236944, 323792, 344372, 414652, 688744, 725641, 829304, 1377488, 1451282, 1658608, 2902564, 5079487, 5805128, 10158974, 11610256, 20317948, 40635896, 81271792]

約数ペア:

[(1, 81271792), (2, 40635896), (4, 20317948), (7, 11610256), (8, 10158974), (14, 5805128), (16, 5079487), (28, 2902564), (49, 1658608), (56, 1451282), (59, 1377488), (98, 829304), (112, 725641), (118, 688744), (196, 414652), (236, 344372), (251, 323792), (343, 236944), (392, 207326), (413, 196784), (472, 172186), (502, 161896), (686, 118472), (784, 103663), (826, 98392), (944, 86093), (1004, 80948), (1372, 59236), (1652, 49196), (1757, 46256), (2008, 40474), (2744, 29618), (2891, 28112), (3304, 24598), (3514, 23128), (4016, 20237), (5488, 14809), (5782, 14056), (6608, 12299), (7028, 11564)]