149969552

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{217979}}^1$

素因数の和:218030

約数の個数: 20

約数和(自身を含む): 297324720

約数和(自身を除く): 147355168

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 217979, 435958, 871916, 1743832, 3487664, 9373097, 18746194, 37492388, 74984776, 149969552]

約数ペア:

[(1, 149969552), (2, 74984776), (4, 37492388), (8, 18746194), (16, 9373097), (43, 3487664), (86, 1743832), (172, 871916), (344, 435958), (688, 217979)]