217997416

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{299447}}^1$

素因数の和:299473

約数の個数: 32

約数和(自身を含む): 503072640

約数和(自身を除く): 285075224

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 299447, 598894, 1197788, 2096129, 2395576, 3892811, 4192258, 7785622, 8384516, 15571244, 16769032, 27249677, 31142488, 54499354, 108998708, 217997416]

約数ペア:

[(1, 217997416), (2, 108998708), (4, 54499354), (7, 31142488), (8, 27249677), (13, 16769032), (14, 15571244), (26, 8384516), (28, 7785622), (52, 4192258), (56, 3892811), (91, 2395576), (104, 2096129), (182, 1197788), (364, 598894), (728, 299447)]