71909747

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1877}}^1$

素因数の和:2318

約数の個数: 16

約数和(自身を含む): 88761792

約数和(自身を除く): 16852045

約数列:

[1, 7, 13, 91, 421, 1877, 2947, 5473, 13139, 24401, 38311, 170807, 790217, 5531519, 10272821, 71909747]

約数ペア:

[(1, 71909747), (7, 10272821), (13, 5531519), (91, 790217), (421, 170807), (1877, 38311), (2947, 24401), (5473, 13139)]