199984784

素因数分解:

$2^4\times {\mathrm{229}}^1\times {\mathrm{54581}}^1$

素因数の和:54818

約数の個数: 20

約数和(自身を含む): 389169660

約数和(自身を除く): 189184876

約数列:

[1, 2, 4, 8, 16, 229, 458, 916, 1832, 3664, 54581, 109162, 218324, 436648, 873296, 12499049, 24998098, 49996196, 99992392, 199984784]

約数ペア:

[(1, 199984784), (2, 99992392), (4, 49996196), (8, 24998098), (16, 12499049), (229, 873296), (458, 436648), (916, 218324), (1832, 109162), (3664, 54581)]