211555564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 432003600

約数和(自身を除く): 220448036

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 61, 92, 122, 149, 244, 253, 298, 506, 529, 596, 671, 1012, 1058, 1342, 1403, 1639, 2116, 2684, 2806, 3278, 3427, 5612, 5819, 6556, 6854, 9089, 11638, 13708, 15433, 18178, 23276, 30866, 32269, 36356, 37697, 61732, 64538, 75394, 78821, 99979, 129076, 150788, 157642, 199958, 209047, 315284, 354959, 399916, 418094, 709918, 836188, 867031, 1419836, 1734062, 2299517, 3468124, 4599034, 4808081, 9198068, 9616162, 19232324, 52888891, 105777782, 211555564]

約数ペア:

[(1, 211555564), (2, 105777782), (4, 52888891), (11, 19232324), (22, 9616162), (23, 9198068), (44, 4808081), (46, 4599034), (61, 3468124), (92, 2299517), (122, 1734062), (149, 1419836), (244, 867031), (253, 836188), (298, 709918), (506, 418094), (529, 399916), (596, 354959), (671, 315284), (1012, 209047), (1058, 199958), (1342, 157642), (1403, 150788), (1639, 129076), (2116, 99979), (2684, 78821), (2806, 75394), (3278, 64538), (3427, 61732), (5612, 37697), (5819, 36356), (6556, 32269), (6854, 30866), (9089, 23276), (11638, 18178), (13708, 15433)]