208072228

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:801

約数の個数: 72

約数和(自身を含む): 460465152

約数和(自身を除く): 252392924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 127, 182, 196, 254, 364, 508, 637, 643, 889, 1274, 1286, 1651, 1778, 2548, 2572, 3302, 3556, 4501, 6223, 6604, 8359, 9002, 11557, 12446, 16718, 18004, 23114, 24892, 31507, 33436, 46228, 58513, 63014, 80899, 81661, 117026, 126028, 161798, 163322, 234052, 323596, 326644, 409591, 571627, 819182, 1061593, 1143254, 1638364, 2123186, 2286508, 4001389, 4246372, 7431151, 8002778, 14862302, 16005556, 29724604, 52018057, 104036114, 208072228]

約数ペア:

[(1, 208072228), (2, 104036114), (4, 52018057), (7, 29724604), (13, 16005556), (14, 14862302), (26, 8002778), (28, 7431151), (49, 4246372), (52, 4001389), (91, 2286508), (98, 2123186), (127, 1638364), (182, 1143254), (196, 1061593), (254, 819182), (364, 571627), (508, 409591), (637, 326644), (643, 323596), (889, 234052), (1274, 163322), (1286, 161798), (1651, 126028), (1778, 117026), (2548, 81661), (2572, 80899), (3302, 63014), (3556, 58513), (4501, 46228), (6223, 33436), (6604, 31507), (8359, 24892), (9002, 23114), (11557, 18004), (12446, 16718)]