856422

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{971}}^1$

素因数の和:993

約数の個数: 36

約数和(自身を含む): 2160756

約数和(自身を除く): 1304334

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 971, 1942, 2913, 5826, 6797, 8739, 13594, 17478, 20391, 40782, 47579, 61173, 95158, 122346, 142737, 285474, 428211, 856422]

約数ペア:

[(1, 856422), (2, 428211), (3, 285474), (6, 142737), (7, 122346), (9, 95158), (14, 61173), (18, 47579), (21, 40782), (42, 20391), (49, 17478), (63, 13594), (98, 8739), (126, 6797), (147, 5826), (294, 2913), (441, 1942), (882, 971)]