208893776

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2707}}^1$

素因数の和:2788

約数の個数: 80

約数和(自身を含む): 507717504

約数和(自身を除く): 298823728

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 53, 56, 91, 104, 106, 112, 182, 208, 212, 364, 371, 424, 689, 728, 742, 848, 1378, 1456, 1484, 2707, 2756, 2968, 4823, 5414, 5512, 5936, 9646, 10828, 11024, 18949, 19292, 21656, 35191, 37898, 38584, 43312, 70382, 75796, 77168, 140764, 143471, 151592, 246337, 281528, 286942, 303184, 492674, 563056, 573884, 985348, 1004297, 1147768, 1865123, 1970696, 2008594, 2295536, 3730246, 3941392, 4017188, 7460492, 8034376, 13055861, 14920984, 16068752, 26111722, 29841968, 52223444, 104446888, 208893776]

約数ペア:

[(1, 208893776), (2, 104446888), (4, 52223444), (7, 29841968), (8, 26111722), (13, 16068752), (14, 14920984), (16, 13055861), (26, 8034376), (28, 7460492), (52, 4017188), (53, 3941392), (56, 3730246), (91, 2295536), (104, 2008594), (106, 1970696), (112, 1865123), (182, 1147768), (208, 1004297), (212, 985348), (364, 573884), (371, 563056), (424, 492674), (689, 303184), (728, 286942), (742, 281528), (848, 246337), (1378, 151592), (1456, 143471), (1484, 140764), (2707, 77168), (2756, 75796), (2968, 70382), (4823, 43312), (5414, 38584), (5512, 37898), (5936, 35191), (9646, 21656), (10828, 19292), (11024, 18949)]