221896684

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{691}}^1\times {\mathrm{1867}}^1$

素因数の和:2605

約数の個数: 24

約数和(自身を含む): 398138048

約数和(自身を除く): 176241364

約数列:

[1, 2, 4, 43, 86, 172, 691, 1382, 1867, 2764, 3734, 7468, 29713, 59426, 80281, 118852, 160562, 321124, 1290097, 2580194, 5160388, 55474171, 110948342, 221896684]

約数ペア:

[(1, 221896684), (2, 110948342), (4, 55474171), (43, 5160388), (86, 2580194), (172, 1290097), (691, 321124), (1382, 160562), (1867, 118852), (2764, 80281), (3734, 59426), (7468, 29713)]