78670816

素因数分解:

$2^5\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2237}}^1$

素因数の和:2411

約数の個数: 48

約数和(自身を含む): 178216416

約数和(自身を除く): 99545600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 157, 224, 314, 628, 1099, 1256, 2198, 2237, 2512, 4396, 4474, 5024, 8792, 8948, 15659, 17584, 17896, 31318, 35168, 35792, 62636, 71584, 125272, 250544, 351209, 501088, 702418, 1404836, 2458463, 2809672, 4916926, 5619344, 9833852, 11238688, 19667704, 39335408, 78670816]

約数ペア:

[(1, 78670816), (2, 39335408), (4, 19667704), (7, 11238688), (8, 9833852), (14, 5619344), (16, 4916926), (28, 2809672), (32, 2458463), (56, 1404836), (112, 702418), (157, 501088), (224, 351209), (314, 250544), (628, 125272), (1099, 71584), (1256, 62636), (2198, 35792), (2237, 35168), (2512, 31318), (4396, 17896), (4474, 17584), (5024, 15659), (8792, 8948)]