28621736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 35245144

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 127, 143, 197, 254, 286, 394, 508, 572, 788, 1016, 1144, 1397, 1576, 1651, 2167, 2561, 2794, 3302, 4334, 5122, 5588, 6604, 8668, 10244, 11176, 13208, 17336, 18161, 20488, 25019, 28171, 36322, 50038, 56342, 72644, 100076, 112684, 145288, 200152, 225368, 275209, 325247, 550418, 650494, 1100836, 1300988, 2201672, 2601976, 3577717, 7155434, 14310868, 28621736]

約数ペア:

[(1, 28621736), (2, 14310868), (4, 7155434), (8, 3577717), (11, 2601976), (13, 2201672), (22, 1300988), (26, 1100836), (44, 650494), (52, 550418), (88, 325247), (104, 275209), (127, 225368), (143, 200152), (197, 145288), (254, 112684), (286, 100076), (394, 72644), (508, 56342), (572, 50038), (788, 36322), (1016, 28171), (1144, 25019), (1397, 20488), (1576, 18161), (1651, 17336), (2167, 13208), (2561, 11176), (2794, 10244), (3302, 8668), (4334, 6604), (5122, 5588)]