28699216

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1$

素因数の和:908

約数の個数: 80

約数和(自身を含む): 71495424

約数和(自身を除く): 42796208

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 46, 52, 56, 91, 92, 104, 112, 161, 182, 184, 208, 299, 322, 364, 368, 598, 644, 728, 857, 1196, 1288, 1456, 1714, 2093, 2392, 2576, 3428, 4186, 4784, 5999, 6856, 8372, 11141, 11998, 13712, 16744, 19711, 22282, 23996, 33488, 39422, 44564, 47992, 77987, 78844, 89128, 95984, 137977, 155974, 157688, 178256, 256243, 275954, 311948, 315376, 512486, 551908, 623896, 1024972, 1103816, 1247792, 1793701, 2049944, 2207632, 3587402, 4099888, 7174804, 14349608, 28699216]

約数ペア:

[(1, 28699216), (2, 14349608), (4, 7174804), (7, 4099888), (8, 3587402), (13, 2207632), (14, 2049944), (16, 1793701), (23, 1247792), (26, 1103816), (28, 1024972), (46, 623896), (52, 551908), (56, 512486), (91, 315376), (92, 311948), (104, 275954), (112, 256243), (161, 178256), (182, 157688), (184, 155974), (208, 137977), (299, 95984), (322, 89128), (364, 78844), (368, 77987), (598, 47992), (644, 44564), (728, 39422), (857, 33488), (1196, 23996), (1288, 22282), (1456, 19711), (1714, 16744), (2093, 13712), (2392, 11998), (2576, 11141), (3428, 8372), (4186, 6856), (4784, 5999)]