211045250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{64937}}^1$

素因数の和:64967

約数の個数: 32

約数和(自身を含む): 425473776

約数和(自身を除く): 214428526

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 64937, 129874, 324685, 649370, 844181, 1623425, 1688362, 3246850, 4220905, 8117125, 8441810, 16234250, 21104525, 42209050, 105522625, 211045250]

約数ペア:

[(1, 211045250), (2, 105522625), (5, 42209050), (10, 21104525), (13, 16234250), (25, 8441810), (26, 8117125), (50, 4220905), (65, 3246850), (125, 1688362), (130, 1623425), (250, 844181), (325, 649370), (650, 324685), (1625, 129874), (3250, 64937)]