202398721

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 247808000

約数和(自身を除く): 45409279

約数列:

[1, 7, 31, 43, 109, 199, 217, 301, 763, 1333, 1393, 3379, 4687, 6169, 8557, 9331, 21691, 23653, 32809, 43183, 59899, 145297, 151837, 265267, 672421, 932713, 1017079, 1856869, 4706947, 6528991, 28914103, 202398721]

約数ペア:

[(1, 202398721), (7, 28914103), (31, 6528991), (43, 4706947), (109, 1856869), (199, 1017079), (217, 932713), (301, 672421), (763, 265267), (1333, 151837), (1393, 145297), (3379, 59899), (4687, 43183), (6169, 32809), (8557, 23653), (9331, 21691)]