491179376

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{990281}}^1$

素因数の和:990320

約数の個数: 20

約数和(自身を含む): 982359744

約数和(自身を除く): 491180368

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 990281, 1980562, 3961124, 7922248, 15844496, 30698711, 61397422, 122794844, 245589688, 491179376]

約数ペア:

[(1, 491179376), (2, 245589688), (4, 122794844), (8, 61397422), (16, 30698711), (31, 15844496), (62, 7922248), (124, 3961124), (248, 1980562), (496, 990281)]