131434576

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{90271}}^1$

素因数の和:90299

約数の個数: 40

約数和(自身を含む): 313424384

約数和(自身を除く): 181989808

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 90271, 180542, 361084, 631897, 722168, 1173523, 1263794, 1444336, 2347046, 2527588, 4694092, 5055176, 8214661, 9388184, 10110352, 16429322, 18776368, 32858644, 65717288, 131434576]

約数ペア:

[(1, 131434576), (2, 65717288), (4, 32858644), (7, 18776368), (8, 16429322), (13, 10110352), (14, 9388184), (16, 8214661), (26, 5055176), (28, 4694092), (52, 2527588), (56, 2347046), (91, 1444336), (104, 1263794), (112, 1173523), (182, 722168), (208, 631897), (364, 361084), (728, 180542), (1456, 90271)]