259985882

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:735

約数の個数: 48

約数和(自身を含む): 449670528

約数和(自身を除く): 189684646

約数列:

[1, 2, 13, 23, 26, 46, 53, 106, 169, 299, 338, 598, 631, 689, 1219, 1262, 1378, 2438, 3887, 7774, 8203, 8957, 14513, 15847, 16406, 17914, 29026, 31694, 33443, 66886, 106639, 188669, 206011, 213278, 377338, 412022, 434759, 769189, 869518, 1538378, 2452697, 4905394, 5651867, 9999457, 11303734, 19998914, 129992941, 259985882]

約数ペア:

[(1, 259985882), (2, 129992941), (13, 19998914), (23, 11303734), (26, 9999457), (46, 5651867), (53, 4905394), (106, 2452697), (169, 1538378), (299, 869518), (338, 769189), (598, 434759), (631, 412022), (689, 377338), (1219, 213278), (1262, 206011), (1378, 188669), (2438, 106639), (3887, 66886), (7774, 33443), (8203, 31694), (8957, 29026), (14513, 17914), (15847, 16406)]