81276358

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{9431}}^1$

素因数の和:9603

約数の個数: 16

約数和(自身を含む): 126766080

約数和(自身を除く): 45489722

約数列:

[1, 2, 31, 62, 139, 278, 4309, 8618, 9431, 18862, 292361, 584722, 1310909, 2621818, 40638179, 81276358]

約数ペア:

[(1, 81276358), (2, 40638179), (31, 2621818), (62, 1310909), (139, 584722), (278, 292361), (4309, 18862), (8618, 9431)]