79980016

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{217337}}^1$

素因数の和:217368

約数の個数: 20

約数和(自身を含む): 161699472

約数和(自身を除く): 81719456

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 217337, 434674, 869348, 1738696, 3477392, 4998751, 9997502, 19995004, 39990008, 79980016]

約数ペア:

[(1, 79980016), (2, 39990008), (4, 19995004), (8, 9997502), (16, 4998751), (23, 3477392), (46, 1738696), (92, 869348), (184, 434674), (368, 217337)]