221464838

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{687779}}^1$

素因数の和:687811

約数の個数: 16

約数和(自身を含む): 396161280

約数和(自身を除く): 174696442

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 687779, 1375558, 4814453, 9628906, 15818917, 31637834, 110732419, 221464838]

約数ペア:

[(1, 221464838), (2, 110732419), (7, 31637834), (14, 15818917), (23, 9628906), (46, 4814453), (161, 1375558), (322, 687779)]