215940172

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{248779}}^1$

素因数の和:248821

約数の個数: 24

約数和(自身を含む): 445813760

約数和(自身を除く): 229873588

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 248779, 497558, 995116, 1741453, 3482906, 6965812, 7712149, 15424298, 30848596, 53985043, 107970086, 215940172]

約数ペア:

[(1, 215940172), (2, 107970086), (4, 53985043), (7, 30848596), (14, 15424298), (28, 7712149), (31, 6965812), (62, 3482906), (124, 1741453), (217, 995116), (434, 497558), (868, 248779)]