218640976

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{471209}}^1$

素因数の和:471246

約数の個数: 20

約数和(自身を含む): 438225300

約数和(自身を除く): 219584324

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 471209, 942418, 1884836, 3769672, 7539344, 13665061, 27330122, 54660244, 109320488, 218640976]

約数ペア:

[(1, 218640976), (2, 109320488), (4, 54660244), (8, 27330122), (16, 13665061), (29, 7539344), (58, 3769672), (116, 1884836), (232, 942418), (464, 471209)]