128414816

素因数分解:

$2^5\times {\mathrm{79}}^2\times {\mathrm{643}}^1$

素因数の和:811

約数の個数: 36

約数和(自身を含む): 256455612

約数和(自身を除く): 128040796

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 643, 1264, 1286, 2528, 2572, 5144, 6241, 10288, 12482, 20576, 24964, 49928, 50797, 99856, 101594, 199712, 203188, 406376, 812752, 1625504, 4012963, 8025926, 16051852, 32103704, 64207408, 128414816]

約数ペア:

[(1, 128414816), (2, 64207408), (4, 32103704), (8, 16051852), (16, 8025926), (32, 4012963), (79, 1625504), (158, 812752), (316, 406376), (632, 203188), (643, 199712), (1264, 101594), (1286, 99856), (2528, 50797), (2572, 49928), (5144, 24964), (6241, 20576), (10288, 12482)]