215468356

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{6359}}^1$

素因数の和:6603

約数の個数: 24

約数和(自身を含む): 387858240

約数和(自身を除く): 172389884

約数列:

[1, 2, 4, 43, 86, 172, 197, 394, 788, 6359, 8471, 12718, 16942, 25436, 33884, 273437, 546874, 1093748, 1252723, 2505446, 5010892, 53867089, 107734178, 215468356]

約数ペア:

[(1, 215468356), (2, 107734178), (4, 53867089), (43, 5010892), (86, 2505446), (172, 1252723), (197, 1093748), (394, 546874), (788, 273437), (6359, 33884), (8471, 25436), (12718, 16942)]