131891456

素因数分解:

$2^8\times {\mathrm{101}}^1\times {\mathrm{5101}}^1$

素因数の和:5218

約数の個数: 36

約数和(自身を含む): 265926444

約数和(自身を除く): 134034988

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 256, 404, 808, 1616, 3232, 5101, 6464, 10202, 12928, 20404, 25856, 40808, 81616, 163232, 326464, 515201, 652928, 1030402, 1305856, 2060804, 4121608, 8243216, 16486432, 32972864, 65945728, 131891456]

約数ペア:

[(1, 131891456), (2, 65945728), (4, 32972864), (8, 16486432), (16, 8243216), (32, 4121608), (64, 2060804), (101, 1305856), (128, 1030402), (202, 652928), (256, 515201), (404, 326464), (808, 163232), (1616, 81616), (3232, 40808), (5101, 25856), (6464, 20404), (10202, 12928)]