645229417

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1\times {\mathrm{7103}}^1$

素因数の和:7812

約数の個数: 16

約数和(自身を含む): 777461760

約数和(自身を除く): 132232343

約数列:

[1, 7, 19, 133, 683, 4781, 7103, 12977, 49721, 90839, 134957, 944699, 4851349, 33959443, 92175631, 645229417]

約数ペア:

[(1, 645229417), (7, 92175631), (19, 33959443), (133, 4851349), (683, 944699), (4781, 134957), (7103, 90839), (12977, 49721)]