688889144

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{433}}^1\times {\mathrm{2801}}^1$

素因数の和:3311

約数の個数: 32

約数和(自身を含む): 1313353440

約数和(自身を除く): 624464296

約数列:

[1, 2, 4, 8, 71, 142, 284, 433, 568, 866, 1732, 2801, 3464, 5602, 11204, 22408, 30743, 61486, 122972, 198871, 245944, 397742, 795484, 1212833, 1590968, 2425666, 4851332, 9702664, 86111143, 172222286, 344444572, 688889144]

約数ペア:

[(1, 688889144), (2, 344444572), (4, 172222286), (8, 86111143), (71, 9702664), (142, 4851332), (284, 2425666), (433, 1590968), (568, 1212833), (866, 795484), (1732, 397742), (2801, 245944), (3464, 198871), (5602, 122972), (11204, 61486), (22408, 30743)]