218217215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61211}}^1$

素因数の和:61270

約数の個数: 16

約数和(自身を含む): 282064896

約数和(自身を除く): 63847681

約数列:

[1, 5, 23, 31, 115, 155, 713, 3565, 61211, 306055, 1407853, 1897541, 7039265, 9487705, 43643443, 218217215]

約数ペア:

[(1, 218217215), (5, 43643443), (23, 9487705), (31, 7039265), (115, 1897541), (155, 1407853), (713, 306055), (3565, 61211)]