16858666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 28740096

約数和(自身を除く): 11881430

約数列:

[1, 2, 11, 22, 43, 71, 86, 142, 251, 473, 502, 781, 946, 1562, 2761, 3053, 5522, 6106, 10793, 17821, 21586, 33583, 35642, 67166, 118723, 196031, 237446, 392062, 766303, 1532606, 8429333, 16858666]

約数ペア:

[(1, 16858666), (2, 8429333), (11, 1532606), (22, 766303), (43, 392062), (71, 237446), (86, 196031), (142, 118723), (251, 67166), (473, 35642), (502, 33583), (781, 21586), (946, 17821), (1562, 10793), (2761, 6106), (3053, 5522)]