281946704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1355513}}^1$

素因数の和:1355534

約数の個数: 20

約数和(自身を含む): 588293076

約数和(自身を除く): 306346372

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1355513, 2711026, 5422052, 10844104, 17621669, 21688208, 35243338, 70486676, 140973352, 281946704]

約数ペア:

[(1, 281946704), (2, 140973352), (4, 70486676), (8, 35243338), (13, 21688208), (16, 17621669), (26, 10844104), (52, 5422052), (104, 2711026), (208, 1355513)]