217331378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{809}}^1\times {\mathrm{12211}}^1$

素因数の和:13033

約数の個数: 16

約数和(自身を含む): 356101920

約数和(自身を除く): 138770542

約数列:

[1, 2, 11, 22, 809, 1618, 8899, 12211, 17798, 24422, 134321, 268642, 9878699, 19757398, 108665689, 217331378]

約数ペア:

[(1, 217331378), (2, 108665689), (11, 19757398), (22, 9878699), (809, 268642), (1618, 134321), (8899, 24422), (12211, 17798)]