128262056

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{1237}}^1$

素因数の和:2253

約数の個数: 32

約数和(自身を含む): 259460040

約数和(自身を除く): 131197984

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 997, 1237, 1994, 2474, 3988, 4948, 7976, 9896, 12961, 16081, 25922, 32162, 51844, 64324, 103688, 128648, 1233289, 2466578, 4933156, 9866312, 16032757, 32065514, 64131028, 128262056]

約数ペア:

[(1, 128262056), (2, 64131028), (4, 32065514), (8, 16032757), (13, 9866312), (26, 4933156), (52, 2466578), (104, 1233289), (997, 128648), (1237, 103688), (1994, 64324), (2474, 51844), (3988, 32162), (4948, 25922), (7976, 16081), (9896, 12961)]