1331569358

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1339607}}^1$

素因数の和:1339687

約数の個数: 16

約数和(自身を含む): 2314842624

約数和(自身を除く): 983273266

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 1339607, 2679214, 9377249, 18754498, 95112097, 190224194, 665784679, 1331569358]

約数ペア:

[(1, 1331569358), (2, 665784679), (7, 190224194), (14, 95112097), (71, 18754498), (142, 9377249), (497, 2679214), (994, 1339607)]