51561648

素因数分解:

$2^4\times 3^2\times {\mathrm{211}}^1\times {\mathrm{1697}}^1$

素因数の和:1922

約数の個数: 60

約数和(自身を含む): 145070328

約数和(自身を除く): 93508680

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 211, 422, 633, 844, 1266, 1688, 1697, 1899, 2532, 3376, 3394, 3798, 5064, 5091, 6788, 7596, 10128, 10182, 13576, 15192, 15273, 20364, 27152, 30384, 30546, 40728, 61092, 81456, 122184, 244368, 358067, 716134, 1074201, 1432268, 2148402, 2864536, 3222603, 4296804, 5729072, 6445206, 8593608, 12890412, 17187216, 25780824, 51561648]

約数ペア:

[(1, 51561648), (2, 25780824), (3, 17187216), (4, 12890412), (6, 8593608), (8, 6445206), (9, 5729072), (12, 4296804), (16, 3222603), (18, 2864536), (24, 2148402), (36, 1432268), (48, 1074201), (72, 716134), (144, 358067), (211, 244368), (422, 122184), (633, 81456), (844, 61092), (1266, 40728), (1688, 30546), (1697, 30384), (1899, 27152), (2532, 20364), (3376, 15273), (3394, 15192), (3798, 13576), (5064, 10182), (5091, 10128), (6788, 7596)]