201972421

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1\times {\mathrm{827}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 233694720

約数和(自身を除く): 31722299

約数列:

[1, 7, 139, 251, 827, 973, 1757, 5789, 34889, 114953, 207577, 244223, 804671, 1453039, 28853203, 201972421]

約数ペア:

[(1, 201972421), (7, 28853203), (139, 1453039), (251, 804671), (827, 244223), (973, 207577), (1757, 114953), (5789, 34889)]