681569444

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{113}}^1\times {\mathrm{4177}}^1$

素因数の和:4332

約数の個数: 36

約数和(自身を含む): 1270270764

約数和(自身を除く): 588701320

約数列:

[1, 2, 4, 19, 38, 76, 113, 226, 361, 452, 722, 1444, 2147, 4177, 4294, 8354, 8588, 16708, 40793, 79363, 81586, 158726, 163172, 317452, 472001, 944002, 1507897, 1888004, 3015794, 6031588, 8968019, 17936038, 35872076, 170392361, 340784722, 681569444]

約数ペア:

[(1, 681569444), (2, 340784722), (4, 170392361), (19, 35872076), (38, 17936038), (76, 8968019), (113, 6031588), (226, 3015794), (361, 1888004), (452, 1507897), (722, 944002), (1444, 472001), (2147, 317452), (4177, 163172), (4294, 158726), (8354, 81586), (8588, 79363), (16708, 40793)]