1305678512

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{199523}}^1$

素因数の和:199940

約数の個数: 20

約数和(自身を含む): 2535950040

約数和(自身を除く): 1230271528

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 199523, 399046, 798092, 1596184, 3192368, 81604907, 163209814, 326419628, 652839256, 1305678512]

約数ペア:

[(1, 1305678512), (2, 652839256), (4, 326419628), (8, 163209814), (16, 81604907), (409, 3192368), (818, 1596184), (1636, 798092), (3272, 399046), (6544, 199523)]