221518428

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{802603}}^1$

素因数の和:802633

約数の個数: 24

約数和(自身を含む): 539349888

約数和(自身を除く): 317831460

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 802603, 1605206, 2407809, 3210412, 4815618, 9631236, 18459869, 36919738, 55379607, 73839476, 110759214, 221518428]

約数ペア:

[(1, 221518428), (2, 110759214), (3, 73839476), (4, 55379607), (6, 36919738), (12, 18459869), (23, 9631236), (46, 4815618), (69, 3210412), (92, 2407809), (138, 1605206), (276, 802603)]