78164947

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{821}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 95582160

約数和(自身を除く): 17417213

約数列:

[1, 7, 29, 49, 67, 203, 469, 821, 1421, 1943, 3283, 5747, 13601, 23809, 40229, 55007, 95207, 166663, 385049, 1166641, 1595203, 2695343, 11166421, 78164947]

約数ペア:

[(1, 78164947), (7, 11166421), (29, 2695343), (49, 1595203), (67, 1166641), (203, 385049), (469, 166663), (821, 95207), (1421, 55007), (1943, 40229), (3283, 23809), (5747, 13601)]