28561904

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2143}}^1$

素因数の和:2182

約数の個数: 60

約数和(自身を含む): 68192064

約数和(自身を除く): 39630160

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 112, 119, 136, 196, 238, 272, 392, 476, 784, 833, 952, 1666, 1904, 2143, 3332, 4286, 6664, 8572, 13328, 15001, 17144, 30002, 34288, 36431, 60004, 72862, 105007, 120008, 145724, 210014, 240016, 255017, 291448, 420028, 510034, 582896, 840056, 1020068, 1680112, 1785119, 2040136, 3570238, 4080272, 7140476, 14280952, 28561904]

約数ペア:

[(1, 28561904), (2, 14280952), (4, 7140476), (7, 4080272), (8, 3570238), (14, 2040136), (16, 1785119), (17, 1680112), (28, 1020068), (34, 840056), (49, 582896), (56, 510034), (68, 420028), (98, 291448), (112, 255017), (119, 240016), (136, 210014), (196, 145724), (238, 120008), (272, 105007), (392, 72862), (476, 60004), (784, 36431), (833, 34288), (952, 30002), (1666, 17144), (1904, 15001), (2143, 13328), (3332, 8572), (4286, 6664)]