820873898

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{127}}^1\times {\mathrm{1471}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 1345290240

約数和(自身を除く): 524416342

約数列:

[1, 2, 13, 26, 127, 169, 254, 338, 1471, 1651, 2197, 2942, 3302, 4394, 19123, 21463, 38246, 42926, 186817, 248599, 279019, 373634, 497198, 558038, 2428621, 3231787, 4857242, 6463574, 31572073, 63144146, 410436949, 820873898]

約数ペア:

[(1, 820873898), (2, 410436949), (13, 63144146), (26, 31572073), (127, 6463574), (169, 4857242), (254, 3231787), (338, 2428621), (1471, 558038), (1651, 497198), (2197, 373634), (2942, 279019), (3302, 248599), (4394, 186817), (19123, 42926), (21463, 38246)]