400161958

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1242739}}^1$

素因数の和:1242771

約数の個数: 16

約数和(自身を含む): 715818240

約数和(自身を除く): 315656282

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 1242739, 2485478, 8699173, 17398346, 28582997, 57165994, 200080979, 400161958]

約数ペア:

[(1, 400161958), (2, 200080979), (7, 57165994), (14, 28582997), (23, 17398346), (46, 8699173), (161, 2485478), (322, 1242739)]