66740575

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{22063}}^1$

素因数の和:22095

約数の個数: 18

約数和(自身を含む): 90969872

約数和(自身を除く): 24229297

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 22063, 110315, 242693, 551575, 1213465, 2669623, 6067325, 13348115, 66740575]

約数ペア:

[(1, 66740575), (5, 13348115), (11, 6067325), (25, 2669623), (55, 1213465), (121, 551575), (275, 242693), (605, 110315), (3025, 22063)]