61391945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{28097}}^1$

素因数の和:28144

約数の個数: 16

約数和(自身を含む): 80922240

約数和(自身を除く): 19530295

約数列:

[1, 5, 19, 23, 95, 115, 437, 2185, 28097, 140485, 533843, 646231, 2669215, 3231155, 12278389, 61391945]

約数ペア:

[(1, 61391945), (5, 12278389), (19, 3231155), (23, 2669215), (95, 646231), (115, 533843), (437, 140485), (2185, 28097)]