215517822

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1409}}^1$

素因数の和:1517

約数の個数: 64

約数和(自身を含む): 486077760

約数和(自身を除く): 270559938

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 53, 74, 78, 106, 111, 159, 222, 318, 481, 689, 962, 1378, 1409, 1443, 1961, 2067, 2818, 2886, 3922, 4134, 4227, 5883, 8454, 11766, 18317, 25493, 36634, 50986, 52133, 54951, 74677, 76479, 104266, 109902, 149354, 152958, 156399, 224031, 312798, 448062, 677729, 970801, 1355458, 1941602, 2033187, 2763049, 2912403, 4066374, 5526098, 5824806, 8289147, 16578294, 35919637, 71839274, 107758911, 215517822]

約数ペア:

[(1, 215517822), (2, 107758911), (3, 71839274), (6, 35919637), (13, 16578294), (26, 8289147), (37, 5824806), (39, 5526098), (53, 4066374), (74, 2912403), (78, 2763049), (106, 2033187), (111, 1941602), (159, 1355458), (222, 970801), (318, 677729), (481, 448062), (689, 312798), (962, 224031), (1378, 156399), (1409, 152958), (1443, 149354), (1961, 109902), (2067, 104266), (2818, 76479), (2886, 74677), (3922, 54951), (4134, 52133), (4227, 50986), (5883, 36634), (8454, 25493), (11766, 18317)]