81245615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{77747}}^1$

素因数の和:77782

約数の個数: 16

約数和(自身を含む): 111957120

約数和(自身を除く): 30711505

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 77747, 388735, 855217, 1477193, 4276085, 7385965, 16249123, 81245615]

約数ペア:

[(1, 81245615), (5, 16249123), (11, 7385965), (19, 4276085), (55, 1477193), (95, 855217), (209, 388735), (1045, 77747)]