8540438

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1163

約数の個数: 16

約数和(自身を含む): 13332480

約数和(自身を除く): 4792042

約数列:

[1, 2, 31, 62, 139, 278, 991, 1982, 4309, 8618, 30721, 61442, 137749, 275498, 4270219, 8540438]

約数ペア:

[(1, 8540438), (2, 4270219), (31, 275498), (62, 137749), (139, 61442), (278, 30721), (991, 8618), (1982, 4309)]