1555886888

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{6781}}^1$

素因数の和:6882

約数の個数: 64

約数和(自身を含む): 3222806400

約数和(自身を除く): 1666919512

約数列:

[1, 2, 4, 8, 23, 29, 43, 46, 58, 86, 92, 116, 172, 184, 232, 344, 667, 989, 1247, 1334, 1978, 2494, 2668, 3956, 4988, 5336, 6781, 7912, 9976, 13562, 27124, 28681, 54248, 57362, 114724, 155963, 196649, 229448, 291583, 311926, 393298, 583166, 623852, 786596, 1166332, 1247704, 1573192, 2332664, 4522927, 6706409, 8455907, 9045854, 13412818, 16911814, 18091708, 26825636, 33823628, 36183416, 53651272, 67647256, 194485861, 388971722, 777943444, 1555886888]

約数ペア:

[(1, 1555886888), (2, 777943444), (4, 388971722), (8, 194485861), (23, 67647256), (29, 53651272), (43, 36183416), (46, 33823628), (58, 26825636), (86, 18091708), (92, 16911814), (116, 13412818), (172, 9045854), (184, 8455907), (232, 6706409), (344, 4522927), (667, 2332664), (989, 1573192), (1247, 1247704), (1334, 1166332), (1978, 786596), (2494, 623852), (2668, 583166), (3956, 393298), (4988, 311926), (5336, 291583), (6781, 229448), (7912, 196649), (9976, 155963), (13562, 114724), (27124, 57362), (28681, 54248)]