31040492

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 64296960

約数和(自身を除く): 33256468

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 103, 188, 206, 229, 329, 412, 458, 658, 721, 916, 1316, 1442, 1603, 2884, 3206, 4841, 6412, 9682, 10763, 19364, 21526, 23587, 33887, 43052, 47174, 67774, 75341, 94348, 135548, 150682, 165109, 301364, 330218, 660436, 1108589, 2217178, 4434356, 7760123, 15520246, 31040492]

約数ペア:

[(1, 31040492), (2, 15520246), (4, 7760123), (7, 4434356), (14, 2217178), (28, 1108589), (47, 660436), (94, 330218), (103, 301364), (188, 165109), (206, 150682), (229, 135548), (329, 94348), (412, 75341), (458, 67774), (658, 47174), (721, 43052), (916, 33887), (1316, 23587), (1442, 21526), (1603, 19364), (2884, 10763), (3206, 9682), (4841, 6412)]