128529908

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{10007}}^1$

素因数の和:10056

約数の個数: 36

約数和(自身を含む): 256404960

約数和(自身を除く): 127875052

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 3211, 6422, 10007, 12844, 20014, 40028, 130091, 190133, 260182, 380266, 520364, 760532, 1691183, 2471729, 3382366, 4943458, 6764732, 9886916, 32132477, 64264954, 128529908]

約数ペア:

[(1, 128529908), (2, 64264954), (4, 32132477), (13, 9886916), (19, 6764732), (26, 4943458), (38, 3382366), (52, 2471729), (76, 1691183), (169, 760532), (247, 520364), (338, 380266), (494, 260182), (676, 190133), (988, 130091), (3211, 40028), (6422, 20014), (10007, 12844)]