81216904

素因数分解:

$2^3\times {\mathrm{467}}^1\times {\mathrm{21739}}^1$

素因数の和:22212

約数の個数: 16

約数和(自身を含む): 152614800

約数和(自身を除く): 71397896

約数列:

[1, 2, 4, 8, 467, 934, 1868, 3736, 21739, 43478, 86956, 173912, 10152113, 20304226, 40608452, 81216904]

約数ペア:

[(1, 81216904), (2, 40608452), (4, 20304226), (8, 10152113), (467, 173912), (934, 86956), (1868, 43478), (3736, 21739)]