644819532

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{2063}}^1$

素因数の和:2199

約数の個数: 72

約数和(自身を含む): 1749017088

約数和(自身を除く): 1104197556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2063, 2562, 3721, 4126, 5124, 6189, 7442, 8252, 11163, 12378, 14441, 14884, 22326, 24756, 26047, 28882, 43323, 44652, 52094, 57764, 78141, 86646, 104188, 125843, 156282, 173292, 251686, 312564, 377529, 503372, 755058, 880901, 1510116, 1761802, 2642703, 3523604, 5285406, 7676423, 10570812, 15352846, 23029269, 30705692, 46058538, 53734961, 92117076, 107469922, 161204883, 214939844, 322409766, 644819532]

約数ペア:

[(1, 644819532), (2, 322409766), (3, 214939844), (4, 161204883), (6, 107469922), (7, 92117076), (12, 53734961), (14, 46058538), (21, 30705692), (28, 23029269), (42, 15352846), (61, 10570812), (84, 7676423), (122, 5285406), (183, 3523604), (244, 2642703), (366, 1761802), (427, 1510116), (732, 880901), (854, 755058), (1281, 503372), (1708, 377529), (2063, 312564), (2562, 251686), (3721, 173292), (4126, 156282), (5124, 125843), (6189, 104188), (7442, 86646), (8252, 78141), (11163, 57764), (12378, 52094), (14441, 44652), (14884, 43323), (22326, 28882), (24756, 26047)]