123295705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{21313}}^1$

素因数の和:21420

約数の個数: 16

約数和(自身を含む): 161133840

約数和(自身を除く): 37838135

約数列:

[1, 5, 13, 65, 89, 445, 1157, 5785, 21313, 106565, 277069, 1385345, 1896857, 9484285, 24659141, 123295705]

約数ペア:

[(1, 123295705), (5, 24659141), (13, 9484285), (65, 1896857), (89, 1385345), (445, 277069), (1157, 106565), (5785, 21313)]