28656978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{35911}}^1$

素因数の和:35942

約数の個数: 32

約数和(自身を含む): 68951040

約数和(自身を除く): 40294062

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 35911, 71822, 107733, 215466, 251377, 502754, 682309, 754131, 1364618, 1508262, 2046927, 4093854, 4776163, 9552326, 14328489, 28656978]

約数ペア:

[(1, 28656978), (2, 14328489), (3, 9552326), (6, 4776163), (7, 4093854), (14, 2046927), (19, 1508262), (21, 1364618), (38, 754131), (42, 682309), (57, 502754), (114, 251377), (133, 215466), (266, 107733), (399, 71822), (798, 35911)]