128418416

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:311

約数の個数: 120

約数和(自身を含む): 314243280

約数和(自身を除く): 185824864

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 37, 38, 49, 56, 74, 76, 98, 112, 133, 148, 152, 196, 233, 259, 266, 296, 304, 392, 466, 518, 532, 592, 703, 784, 931, 932, 1036, 1064, 1406, 1631, 1813, 1862, 1864, 2072, 2128, 2812, 3262, 3626, 3724, 3728, 4144, 4427, 4921, 5624, 6524, 7252, 7448, 8621, 8854, 9842, 11248, 11417, 13048, 14504, 14896, 17242, 17708, 19684, 22834, 26096, 29008, 30989, 34447, 34484, 35416, 39368, 45668, 60347, 61978, 68894, 68968, 70832, 78736, 91336, 120694, 123956, 137788, 137936, 163799, 182672, 216923, 241388, 247912, 275576, 327598, 422429, 433846, 482776, 495824, 551152, 655196, 844858, 867692, 965552, 1146593, 1310392, 1689716, 1735384, 2293186, 2620784, 3379432, 3470768, 4586372, 6758864, 8026151, 9172744, 16052302, 18345488, 32104604, 64209208, 128418416]

約数ペア:

[(1, 128418416), (2, 64209208), (4, 32104604), (7, 18345488), (8, 16052302), (14, 9172744), (16, 8026151), (19, 6758864), (28, 4586372), (37, 3470768), (38, 3379432), (49, 2620784), (56, 2293186), (74, 1735384), (76, 1689716), (98, 1310392), (112, 1146593), (133, 965552), (148, 867692), (152, 844858), (196, 655196), (233, 551152), (259, 495824), (266, 482776), (296, 433846), (304, 422429), (392, 327598), (466, 275576), (518, 247912), (532, 241388), (592, 216923), (703, 182672), (784, 163799), (931, 137936), (932, 137788), (1036, 123956), (1064, 120694), (1406, 91336), (1631, 78736), (1813, 70832), (1862, 68968), (1864, 68894), (2072, 61978), (2128, 60347), (2812, 45668), (3262, 39368), (3626, 35416), (3724, 34484), (3728, 34447), (4144, 30989), (4427, 29008), (4921, 26096), (5624, 22834), (6524, 19684), (7252, 17708), (7448, 17242), (8621, 14896), (8854, 14504), (9842, 13048), (11248, 11417)]