1225328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:201

約数の個数: 40

約数和(自身を含む): 2635248

約数和(自身を除く): 1409920

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 137, 172, 208, 274, 344, 548, 559, 688, 1096, 1118, 1781, 2192, 2236, 3562, 4472, 5891, 7124, 8944, 11782, 14248, 23564, 28496, 47128, 76583, 94256, 153166, 306332, 612664, 1225328]

約数ペア:

[(1, 1225328), (2, 612664), (4, 306332), (8, 153166), (13, 94256), (16, 76583), (26, 47128), (43, 28496), (52, 23564), (86, 14248), (104, 11782), (137, 8944), (172, 7124), (208, 5891), (274, 4472), (344, 3562), (548, 2236), (559, 2192), (688, 1781), (1096, 1118)]