28878528

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{21487}}^1$

素因数の和:21509

約数の個数: 56

約数和(自身を含む): 87327232

約数和(自身を除く): 58448704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 21487, 42974, 64461, 85948, 128922, 150409, 171896, 257844, 300818, 343792, 451227, 515688, 601636, 687584, 902454, 1031376, 1203272, 1375168, 1804908, 2062752, 2406544, 3609816, 4125504, 4813088, 7219632, 9626176, 14439264, 28878528]

約数ペア:

[(1, 28878528), (2, 14439264), (3, 9626176), (4, 7219632), (6, 4813088), (7, 4125504), (8, 3609816), (12, 2406544), (14, 2062752), (16, 1804908), (21, 1375168), (24, 1203272), (28, 1031376), (32, 902454), (42, 687584), (48, 601636), (56, 515688), (64, 451227), (84, 343792), (96, 300818), (112, 257844), (168, 171896), (192, 150409), (224, 128922), (336, 85948), (448, 64461), (672, 42974), (1344, 21487)]