72858331

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42139}}^1$

素因数の和:42178

約数の個数: 16

約数和(自身を含む): 94393600

約数和(自身を除く): 21535269

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 42139, 294973, 547807, 800641, 3834649, 5604487, 10408333, 72858331]

約数ペア:

[(1, 72858331), (7, 10408333), (13, 5604487), (19, 3834649), (91, 800641), (133, 547807), (247, 294973), (1729, 42139)]