81276916

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{93637}}^1$

素因数の和:93679

約数の個数: 24

約数和(自身を含む): 167799296

約数和(自身を除く): 86522380

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 93637, 187274, 374548, 655459, 1310918, 2621836, 2902747, 5805494, 11610988, 20319229, 40638458, 81276916]

約数ペア:

[(1, 81276916), (2, 40638458), (4, 20319229), (7, 11610988), (14, 5805494), (28, 2902747), (31, 2621836), (62, 1310918), (124, 655459), (217, 374548), (434, 187274), (868, 93637)]