157193071

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1\times {\mathrm{661}}^1$

素因数の和:1362

約数の個数: 16

約数和(自身を含む): 183601728

約数和(自身を除く): 26408657

約数列:

[1, 7, 53, 371, 641, 661, 4487, 4627, 33973, 35033, 237811, 245231, 423701, 2965907, 22456153, 157193071]

約数ペア:

[(1, 157193071), (7, 22456153), (53, 2965907), (371, 423701), (641, 245231), (661, 237811), (4487, 35033), (4627, 33973)]