221323198

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{5569}}^1$

素因数の和:6243

約数の個数: 16

約数和(自身を含む): 343290240

約数和(自身を除く): 121967042

約数列:

[1, 2, 31, 62, 641, 1282, 5569, 11138, 19871, 39742, 172639, 345278, 3569729, 7139458, 110661599, 221323198]

約数ペア:

[(1, 221323198), (2, 110661599), (31, 7139458), (62, 3569729), (641, 345278), (1282, 172639), (5569, 39742), (11138, 19871)]