218724944

素因数分解:

$2^4\times {\mathrm{2129}}^1\times {\mathrm{6421}}^1$

素因数の和:8558

約数の個数: 20

約数和(自身を含む): 424044660

約数和(自身を除く): 205319716

約数列:

[1, 2, 4, 8, 16, 2129, 4258, 6421, 8516, 12842, 17032, 25684, 34064, 51368, 102736, 13670309, 27340618, 54681236, 109362472, 218724944]

約数ペア:

[(1, 218724944), (2, 109362472), (4, 54681236), (8, 27340618), (16, 13670309), (2129, 102736), (4258, 51368), (6421, 34064), (8516, 25684), (12842, 17032)]