28318816

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1067

約数の個数: 48

約数和(自身を含む): 59996160

約数和(自身を除く): 31677344

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 76, 94, 152, 188, 304, 376, 608, 752, 893, 991, 1504, 1786, 1982, 3572, 3964, 7144, 7928, 14288, 15856, 18829, 28576, 31712, 37658, 46577, 75316, 93154, 150632, 186308, 301264, 372616, 602528, 745232, 884963, 1490464, 1769926, 3539852, 7079704, 14159408, 28318816]

約数ペア:

[(1, 28318816), (2, 14159408), (4, 7079704), (8, 3539852), (16, 1769926), (19, 1490464), (32, 884963), (38, 745232), (47, 602528), (76, 372616), (94, 301264), (152, 186308), (188, 150632), (304, 93154), (376, 75316), (608, 46577), (752, 37658), (893, 31712), (991, 28576), (1504, 18829), (1786, 15856), (1982, 14288), (3572, 7928), (3964, 7144)]