16971845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 23760000

約数和(自身を除く): 6788155

約数列:

[1, 5, 11, 19, 55, 95, 109, 149, 209, 545, 745, 1045, 1199, 1639, 2071, 2831, 5995, 8195, 10355, 14155, 16241, 22781, 31141, 81205, 113905, 155705, 178651, 308579, 893255, 1542895, 3394369, 16971845]

約数ペア:

[(1, 16971845), (5, 3394369), (11, 1542895), (19, 893255), (55, 308579), (95, 178651), (109, 155705), (149, 113905), (209, 81205), (545, 31141), (745, 22781), (1045, 16241), (1199, 14155), (1639, 10355), (2071, 8195), (2831, 5995)]