223742407

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1\times {\mathrm{1523}}^1$

素因数の和:2238

約数の個数: 16

約数和(自身を含む): 264517632

約数和(自身を除く): 40775225

約数列:

[1, 7, 31, 217, 677, 1523, 4739, 10661, 20987, 47213, 146909, 330491, 1031071, 7217497, 31963201, 223742407]

約数ペア:

[(1, 223742407), (7, 31963201), (31, 7217497), (217, 1031071), (677, 330491), (1523, 146909), (4739, 47213), (10661, 20987)]