28438656

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{2389}}^1$

素因数の和:2437

約数の個数: 64

約数和(自身を含む): 78009600

約数和(自身を除く): 49570944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 372, 384, 496, 744, 992, 1488, 1984, 2389, 2976, 3968, 4778, 5952, 7167, 9556, 11904, 14334, 19112, 28668, 38224, 57336, 74059, 76448, 114672, 148118, 152896, 222177, 229344, 296236, 305792, 444354, 458688, 592472, 888708, 917376, 1184944, 1777416, 2369888, 3554832, 4739776, 7109664, 9479552, 14219328, 28438656]

約数ペア:

[(1, 28438656), (2, 14219328), (3, 9479552), (4, 7109664), (6, 4739776), (8, 3554832), (12, 2369888), (16, 1777416), (24, 1184944), (31, 917376), (32, 888708), (48, 592472), (62, 458688), (64, 444354), (93, 305792), (96, 296236), (124, 229344), (128, 222177), (186, 152896), (192, 148118), (248, 114672), (372, 76448), (384, 74059), (496, 57336), (744, 38224), (992, 28668), (1488, 19112), (1984, 14334), (2389, 11904), (2976, 9556), (3968, 7167), (4778, 5952)]