728620417

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89809}}^1$

素因数の和:89896

約数の個数: 16

約数和(自身を含む): 890915200

約数和(自身を除く): 162294783

約数列:

[1, 7, 19, 61, 133, 427, 1159, 8113, 89809, 628663, 1706371, 5478349, 11944597, 38348443, 104088631, 728620417]

約数ペア:

[(1, 728620417), (7, 104088631), (19, 38348443), (61, 11944597), (133, 5478349), (427, 1706371), (1159, 628663), (8113, 89809)]