208573456

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4621}}^1$

素因数の和:4680

約数の個数: 80

約数和(自身を含む): 513522688

約数和(自身を除く): 304949232

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1736, 2821, 3224, 3472, 4621, 5642, 6448, 9242, 11284, 18484, 22568, 32347, 36968, 45136, 60073, 64694, 73936, 120146, 129388, 143251, 240292, 258776, 286502, 420511, 480584, 517552, 573004, 841022, 961168, 1002757, 1146008, 1682044, 1862263, 2005514, 2292016, 3364088, 3724526, 4011028, 6728176, 7449052, 8022056, 13035841, 14898104, 16044112, 26071682, 29796208, 52143364, 104286728, 208573456]

約数ペア:

[(1, 208573456), (2, 104286728), (4, 52143364), (7, 29796208), (8, 26071682), (13, 16044112), (14, 14898104), (16, 13035841), (26, 8022056), (28, 7449052), (31, 6728176), (52, 4011028), (56, 3724526), (62, 3364088), (91, 2292016), (104, 2005514), (112, 1862263), (124, 1682044), (182, 1146008), (208, 1002757), (217, 961168), (248, 841022), (364, 573004), (403, 517552), (434, 480584), (496, 420511), (728, 286502), (806, 258776), (868, 240292), (1456, 143251), (1612, 129388), (1736, 120146), (2821, 73936), (3224, 64694), (3472, 60073), (4621, 45136), (5642, 36968), (6448, 32347), (9242, 22568), (11284, 18484)]