78874529

素因数分解:

${\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^2$

素因数の和:225

約数の個数: 18

約数和(自身を含む): 86458806

約数和(自身を除く): 7584277

約数列:

[1, 19, 41, 73, 361, 779, 1387, 2993, 5329, 14801, 26353, 56867, 101251, 218489, 1080473, 1923769, 4151291, 78874529]

約数ペア:

[(1, 78874529), (19, 4151291), (41, 1923769), (73, 1080473), (361, 218489), (779, 101251), (1387, 56867), (2993, 26353), (5329, 14801)]