87720545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{51449}}^1$

素因数の和:51496

約数の個数: 16

約数和(自身を含む): 118540800

約数和(自身を除く): 30820255

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 51449, 257245, 565939, 1594919, 2829695, 7974595, 17544109, 87720545]

約数ペア:

[(1, 87720545), (5, 17544109), (11, 7974595), (31, 2829695), (55, 1594919), (155, 565939), (341, 257245), (1705, 51449)]