77897215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{21139}}^1$

素因数の和:21222

約数の個数: 16

約数和(自身を含む): 103501440

約数和(自身を除く): 25604225

約数列:

[1, 5, 11, 55, 67, 335, 737, 3685, 21139, 105695, 232529, 1162645, 1416313, 7081565, 15579443, 77897215]

約数ペア:

[(1, 77897215), (5, 15579443), (11, 7081565), (55, 1416313), (67, 1162645), (335, 232529), (737, 105695), (3685, 21139)]