1259344

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{2539}}^1$

素因数の和:2578

約数の個数: 20

約数和(自身を含む): 2519680

約数和(自身を除く): 1260336

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 2539, 5078, 10156, 20312, 40624, 78709, 157418, 314836, 629672, 1259344]

約数ペア:

[(1, 1259344), (2, 629672), (4, 314836), (8, 157418), (16, 78709), (31, 40624), (62, 20312), (124, 10156), (248, 5078), (496, 2539)]