28721024

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 61799760

約数和(自身を除く): 33078736

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 67, 68, 128, 134, 136, 197, 268, 272, 394, 536, 544, 788, 1072, 1088, 1139, 1576, 2144, 2176, 2278, 3152, 3349, 4288, 4556, 6304, 6698, 8576, 9112, 12608, 13199, 13396, 18224, 25216, 26398, 26792, 36448, 52796, 53584, 72896, 105592, 107168, 145792, 211184, 214336, 224383, 422368, 428672, 448766, 844736, 897532, 1689472, 1795064, 3590128, 7180256, 14360512, 28721024]

約数ペア:

[(1, 28721024), (2, 14360512), (4, 7180256), (8, 3590128), (16, 1795064), (17, 1689472), (32, 897532), (34, 844736), (64, 448766), (67, 428672), (68, 422368), (128, 224383), (134, 214336), (136, 211184), (197, 145792), (268, 107168), (272, 105592), (394, 72896), (536, 53584), (544, 52796), (788, 36448), (1072, 26792), (1088, 26398), (1139, 25216), (1576, 18224), (2144, 13396), (2176, 13199), (2278, 12608), (3152, 9112), (3349, 8576), (4288, 6698), (4556, 6304)]