129043408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{620401}}^1$

素因数の和:620422

約数の個数: 20

約数和(自身を含む): 269254468

約数和(自身を除く): 140211060

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 620401, 1240802, 2481604, 4963208, 8065213, 9926416, 16130426, 32260852, 64521704, 129043408]

約数ペア:

[(1, 129043408), (2, 64521704), (4, 32260852), (8, 16130426), (13, 9926416), (16, 8065213), (26, 4963208), (52, 2481604), (104, 1240802), (208, 620401)]