81280667

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1451}}^1$

素因数の和:1634

約数の個数: 16

約数和(自身を含む): 91069440

約数和(自身を除く): 9788773

約数列:

[1, 13, 31, 139, 403, 1451, 1807, 4309, 18863, 44981, 56017, 201689, 584753, 2621957, 6252359, 81280667]

約数ペア:

[(1, 81280667), (13, 6252359), (31, 2621957), (139, 584753), (403, 201689), (1451, 56017), (1807, 44981), (4309, 18863)]