211364636

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{20347}}^1$

素因数の和:20418

約数の個数: 36

約数和(自身を含む): 438418008

約数和(自身を除く): 227053372

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 371, 742, 1484, 2597, 5194, 10388, 20347, 40694, 81388, 142429, 284858, 569716, 997003, 1078391, 1994006, 2156782, 3988012, 4313564, 7548737, 15097474, 30194948, 52841159, 105682318, 211364636]

約数ペア:

[(1, 211364636), (2, 105682318), (4, 52841159), (7, 30194948), (14, 15097474), (28, 7548737), (49, 4313564), (53, 3988012), (98, 2156782), (106, 1994006), (196, 1078391), (212, 997003), (371, 569716), (742, 284858), (1484, 142429), (2597, 81388), (5194, 40694), (10388, 20347)]