814702990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{4363}}^1$

素因数の和:4704

約数の個数: 32

約数和(自身を含む): 1493116416

約数和(自身を除く): 678413426

約数列:

[1, 2, 5, 10, 71, 142, 263, 355, 526, 710, 1315, 2630, 4363, 8726, 18673, 21815, 37346, 43630, 93365, 186730, 309773, 619546, 1147469, 1548865, 2294938, 3097730, 5737345, 11474690, 81470299, 162940598, 407351495, 814702990]

約数ペア:

[(1, 814702990), (2, 407351495), (5, 162940598), (10, 81470299), (71, 11474690), (142, 5737345), (263, 3097730), (355, 2294938), (526, 1548865), (710, 1147469), (1315, 619546), (2630, 309773), (4363, 186730), (8726, 93365), (18673, 43630), (21815, 37346)]