28157696

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:869

約数の個数: 72

約数和(自身を含む): 67697280

約数和(自身を除く): 39539584

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 532, 608, 827, 896, 1064, 1216, 1654, 1792, 2128, 2432, 3308, 4256, 4864, 5789, 6616, 8512, 11578, 13232, 15713, 17024, 23156, 26464, 31426, 34048, 46312, 52928, 62852, 92624, 105856, 109991, 125704, 185248, 211712, 219982, 251408, 370496, 439964, 502816, 740992, 879928, 1005632, 1481984, 1759856, 2011264, 3519712, 4022528, 7039424, 14078848, 28157696]

約数ペア:

[(1, 28157696), (2, 14078848), (4, 7039424), (7, 4022528), (8, 3519712), (14, 2011264), (16, 1759856), (19, 1481984), (28, 1005632), (32, 879928), (38, 740992), (56, 502816), (64, 439964), (76, 370496), (112, 251408), (128, 219982), (133, 211712), (152, 185248), (224, 125704), (256, 109991), (266, 105856), (304, 92624), (448, 62852), (532, 52928), (608, 46312), (827, 34048), (896, 31426), (1064, 26464), (1216, 23156), (1654, 17024), (1792, 15713), (2128, 13232), (2432, 11578), (3308, 8512), (4256, 6616), (4864, 5789)]