688889438

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{569}}^1\times {\mathrm{4621}}^1$

素因数の和:5323

約数の個数: 16

約数和(自身を含む): 1043277840

約数和(自身を除く): 354388402

約数列:

[1, 2, 131, 262, 569, 1138, 4621, 9242, 74539, 149078, 605351, 1210702, 2629349, 5258698, 344444719, 688889438]

約数ペア:

[(1, 688889438), (2, 344444719), (131, 5258698), (262, 2629349), (569, 1210702), (1138, 605351), (4621, 149078), (9242, 74539)]