16978026

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{217667}}^1$

素因数の和:217685

約数の個数: 16

約数和(自身を含む): 36568224

約数和(自身を除く): 19590198

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 217667, 435334, 653001, 1306002, 2829671, 5659342, 8489013, 16978026]

約数ペア:

[(1, 16978026), (2, 8489013), (3, 5659342), (6, 2829671), (13, 1306002), (26, 653001), (39, 435334), (78, 217667)]