31490788

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{27431}}^1$

素因数の和:27483

約数の個数: 24

約数和(自身を含む): 64520064

約数和(自身を除く): 33029276

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 27431, 54862, 109724, 192017, 384034, 768068, 1124671, 2249342, 4498684, 7872697, 15745394, 31490788]

約数ペア:

[(1, 31490788), (2, 15745394), (4, 7872697), (7, 4498684), (14, 2249342), (28, 1124671), (41, 768068), (82, 384034), (164, 192017), (287, 109724), (574, 54862), (1148, 27431)]