78991505

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{6121}}^1$

素因数の和:6244

約数の個数: 16

約数和(自身を含む): 99176400

約数和(自身を除く): 20184895

約数列:

[1, 5, 29, 89, 145, 445, 2581, 6121, 12905, 30605, 177509, 544769, 887545, 2723845, 15798301, 78991505]

約数ペア:

[(1, 78991505), (5, 15798301), (29, 2723845), (89, 887545), (145, 544769), (445, 177509), (2581, 30605), (6121, 12905)]