209835791

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 248793600

約数和(自身を除く): 38957809

約数列:

[1, 11, 19, 61, 109, 151, 209, 671, 1159, 1199, 1661, 2071, 2869, 6649, 9211, 12749, 16459, 22781, 31559, 73139, 101321, 126331, 175009, 181049, 312721, 1003999, 1389641, 1925099, 3439931, 11043989, 19075981, 209835791]

約数ペア:

[(1, 209835791), (11, 19075981), (19, 11043989), (61, 3439931), (109, 1925099), (151, 1389641), (209, 1003999), (671, 312721), (1159, 181049), (1199, 175009), (1661, 126331), (2071, 101321), (2869, 73139), (6649, 31559), (9211, 22781), (12749, 16459)]