68216821

素因数分解:

${\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:588

約数の個数: 16

約数和(自身を含む): 73526400

約数和(自身を除く): 5309579

約数列:

[1, 19, 73, 137, 359, 1387, 2603, 6821, 10001, 26207, 49183, 190019, 497933, 934477, 3590359, 68216821]

約数ペア:

[(1, 68216821), (19, 3590359), (73, 934477), (137, 497933), (359, 190019), (1387, 49183), (2603, 26207), (6821, 10001)]