78880018

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{1231}}^1$

素因数の和:1462

約数の個数: 32

約数和(自身を含む): 141926400

約数和(自身を除く): 63046382

約数列:

[1, 2, 7, 14, 23, 46, 161, 199, 322, 398, 1231, 1393, 2462, 2786, 4577, 8617, 9154, 17234, 28313, 32039, 56626, 64078, 198191, 244969, 396382, 489938, 1714783, 3429566, 5634287, 11268574, 39440009, 78880018]

約数ペア:

[(1, 78880018), (2, 39440009), (7, 11268574), (14, 5634287), (23, 3429566), (46, 1714783), (161, 489938), (199, 396382), (322, 244969), (398, 198191), (1231, 64078), (1393, 56626), (2462, 32039), (2786, 28313), (4577, 17234), (8617, 9154)]