42028028

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 87462144

約数和(自身を除く): 45434116

約数列:

[1, 2, 4, 7, 14, 28, 43, 67, 86, 134, 172, 268, 301, 469, 521, 602, 938, 1042, 1204, 1876, 2084, 2881, 3647, 5762, 7294, 11524, 14588, 20167, 22403, 34907, 40334, 44806, 69814, 80668, 89612, 139628, 156821, 244349, 313642, 488698, 627284, 977396, 1501001, 3002002, 6004004, 10507007, 21014014, 42028028]

約数ペア:

[(1, 42028028), (2, 21014014), (4, 10507007), (7, 6004004), (14, 3002002), (28, 1501001), (43, 977396), (67, 627284), (86, 488698), (134, 313642), (172, 244349), (268, 156821), (301, 139628), (469, 89612), (521, 80668), (602, 69814), (938, 44806), (1042, 40334), (1204, 34907), (1876, 22403), (2084, 20167), (2881, 14588), (3647, 11524), (5762, 7294)]