138465328

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{22247}}^1$

素因数の和:22644

約数の個数: 20

約数和(自身を含む): 268978320

約数和(自身を除く): 130512992

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 22247, 44494, 88988, 177976, 355952, 8654083, 17308166, 34616332, 69232664, 138465328]

約数ペア:

[(1, 138465328), (2, 69232664), (4, 34616332), (8, 17308166), (16, 8654083), (389, 355952), (778, 177976), (1556, 88988), (3112, 44494), (6224, 22247)]