128752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:640

約数の個数: 20

約数和(自身を含む): 269080

約数和(自身を除く): 140328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 619, 1238, 2476, 4952, 8047, 9904, 16094, 32188, 64376, 128752]

約数ペア:

[(1, 128752), (2, 64376), (4, 32188), (8, 16094), (13, 9904), (16, 8047), (26, 4952), (52, 2476), (104, 1238), (208, 619)]