87005408

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20443}}^1$

素因数の和:20479

約数の個数: 48

約数和(自身を含む): 206075520

約数和(自身を除く): 119070112

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 20443, 40886, 81772, 143101, 163544, 286202, 327088, 388417, 572404, 654176, 776834, 1144808, 1553668, 2289616, 2718919, 3107336, 4579232, 5437838, 6214672, 10875676, 12429344, 21751352, 43502704, 87005408]

約数ペア:

[(1, 87005408), (2, 43502704), (4, 21751352), (7, 12429344), (8, 10875676), (14, 6214672), (16, 5437838), (19, 4579232), (28, 3107336), (32, 2718919), (38, 2289616), (56, 1553668), (76, 1144808), (112, 776834), (133, 654176), (152, 572404), (224, 388417), (266, 327088), (304, 286202), (532, 163544), (608, 143101), (1064, 81772), (2128, 40886), (4256, 20443)]