128772306

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{550309}}^1$

素因数の和:550330

約数の個数: 24

約数和(自身を含む): 300469260

約数和(自身を除く): 171696954

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 550309, 1100618, 1650927, 3301854, 4952781, 7154017, 9905562, 14308034, 21462051, 42924102, 64386153, 128772306]

約数ペア:

[(1, 128772306), (2, 64386153), (3, 42924102), (6, 21462051), (9, 14308034), (13, 9905562), (18, 7154017), (26, 4952781), (39, 3301854), (78, 1650927), (117, 1100618), (234, 550309)]