420812144

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{332921}}^1$

素因数の和:333008

約数の個数: 20

約数和(自身を含む): 825646560

約数和(自身を除く): 404834416

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 332921, 665842, 1331684, 2663368, 5326736, 26300759, 52601518, 105203036, 210406072, 420812144]

約数ペア:

[(1, 420812144), (2, 210406072), (4, 105203036), (8, 52601518), (16, 26300759), (79, 5326736), (158, 2663368), (316, 1331684), (632, 665842), (1264, 332921)]