219742012

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{253159}}^1$

素因数の和:253201

約数の個数: 24

約数和(自身を含む): 453662720

約数和(自身を除く): 233920708

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 253159, 506318, 1012636, 1772113, 3544226, 7088452, 7847929, 15695858, 31391716, 54935503, 109871006, 219742012]

約数ペア:

[(1, 219742012), (2, 109871006), (4, 54935503), (7, 31391716), (14, 15695858), (28, 7847929), (31, 7088452), (62, 3544226), (124, 1772113), (217, 1012636), (434, 506318), (868, 253159)]