38993948

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 80720640

約数和(自身を除く): 41726692

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 139, 172, 233, 278, 301, 466, 556, 602, 932, 973, 1204, 1631, 1946, 3262, 3892, 5977, 6524, 10019, 11954, 20038, 23908, 32387, 40076, 41839, 64774, 70133, 83678, 129548, 140266, 167356, 226709, 280532, 453418, 906836, 1392641, 2785282, 5570564, 9748487, 19496974, 38993948]

約数ペア:

[(1, 38993948), (2, 19496974), (4, 9748487), (7, 5570564), (14, 2785282), (28, 1392641), (43, 906836), (86, 453418), (139, 280532), (172, 226709), (233, 167356), (278, 140266), (301, 129548), (466, 83678), (556, 70133), (602, 64774), (932, 41839), (973, 40076), (1204, 32387), (1631, 23908), (1946, 20038), (3262, 11954), (3892, 10019), (5977, 6524)]