28907164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 60159456

約数和(自身を除く): 31252292

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 97, 143, 194, 286, 388, 521, 572, 1042, 1067, 1261, 2084, 2134, 2522, 4268, 5044, 5731, 6773, 11462, 13546, 13871, 22924, 27092, 27742, 50537, 55484, 74503, 101074, 149006, 202148, 298012, 555907, 656981, 1111814, 1313962, 2223628, 2627924, 7226791, 14453582, 28907164]

約数ペア:

[(1, 28907164), (2, 14453582), (4, 7226791), (11, 2627924), (13, 2223628), (22, 1313962), (26, 1111814), (44, 656981), (52, 555907), (97, 298012), (143, 202148), (194, 149006), (286, 101074), (388, 74503), (521, 55484), (572, 50537), (1042, 27742), (1067, 27092), (1261, 22924), (2084, 13871), (2134, 13546), (2522, 11462), (4268, 6773), (5044, 5731)]