128284364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{36821}}^1$

素因数の和:36905

約数の個数: 24

約数和(自身を含む): 245381808

約数和(自身を除く): 117097444

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 36821, 73642, 147284, 478673, 957346, 1914692, 2467007, 4934014, 9868028, 32071091, 64142182, 128284364]

約数ペア:

[(1, 128284364), (2, 64142182), (4, 32071091), (13, 9868028), (26, 4934014), (52, 2467007), (67, 1914692), (134, 957346), (268, 478673), (871, 147284), (1742, 73642), (3484, 36821)]