647289648

素因数分解:

$2^4\times 3^2\times {\mathrm{157}}^1\times {\mathrm{28631}}^1$

素因数の和:28802

約数の個数: 60

約数和(自身を含む): 1823113968

約数和(自身を除く): 1175824320

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 157, 314, 471, 628, 942, 1256, 1413, 1884, 2512, 2826, 3768, 5652, 7536, 11304, 22608, 28631, 57262, 85893, 114524, 171786, 229048, 257679, 343572, 458096, 515358, 687144, 1030716, 1374288, 2061432, 4122864, 4495067, 8990134, 13485201, 17980268, 26970402, 35960536, 40455603, 53940804, 71921072, 80911206, 107881608, 161822412, 215763216, 323644824, 647289648]

約数ペア:

[(1, 647289648), (2, 323644824), (3, 215763216), (4, 161822412), (6, 107881608), (8, 80911206), (9, 71921072), (12, 53940804), (16, 40455603), (18, 35960536), (24, 26970402), (36, 17980268), (48, 13485201), (72, 8990134), (144, 4495067), (157, 4122864), (314, 2061432), (471, 1374288), (628, 1030716), (942, 687144), (1256, 515358), (1413, 458096), (1884, 343572), (2512, 257679), (2826, 229048), (3768, 171786), (5652, 114524), (7536, 85893), (11304, 57262), (22608, 28631)]