215820385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{170609}}^1$

素因数の和:170648

約数の個数: 16

約数和(自身を含む): 294814080

約数和(自身を除く): 78993695

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 170609, 853045, 1876699, 3924007, 9383495, 19620035, 43164077, 215820385]

約数ペア:

[(1, 215820385), (5, 43164077), (11, 19620035), (23, 9383495), (55, 3924007), (115, 1876699), (253, 853045), (1265, 170609)]