81358494

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2371}}^1$

素因数の和:2445

約数の個数: 64

約数和(自身を含む): 200386560

約数和(自身を除く): 119028066

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 43, 57, 86, 114, 129, 133, 258, 266, 301, 399, 602, 798, 817, 903, 1634, 1806, 2371, 2451, 4742, 4902, 5719, 7113, 11438, 14226, 16597, 17157, 33194, 34314, 45049, 49791, 90098, 99582, 101953, 135147, 203906, 270294, 305859, 315343, 611718, 630686, 713671, 946029, 1427342, 1892058, 1937107, 2141013, 3874214, 4282026, 5811321, 11622642, 13559749, 27119498, 40679247, 81358494]

約数ペア:

[(1, 81358494), (2, 40679247), (3, 27119498), (6, 13559749), (7, 11622642), (14, 5811321), (19, 4282026), (21, 3874214), (38, 2141013), (42, 1937107), (43, 1892058), (57, 1427342), (86, 946029), (114, 713671), (129, 630686), (133, 611718), (258, 315343), (266, 305859), (301, 270294), (399, 203906), (602, 135147), (798, 101953), (817, 99582), (903, 90098), (1634, 49791), (1806, 45049), (2371, 34314), (2451, 33194), (4742, 17157), (4902, 16597), (5719, 14226), (7113, 11438)]