28158208

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{8461}}^1$

素因数の和:8490

約数の個数: 36

約数和(自身を含む): 60537148

約数和(自身を除く): 32378940

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 8461, 16922, 33844, 67688, 109993, 135376, 219986, 270752, 439972, 541504, 879944, 1083008, 1759888, 2166016, 3519776, 7039552, 14079104, 28158208]

約数ペア:

[(1, 28158208), (2, 14079104), (4, 7039552), (8, 3519776), (13, 2166016), (16, 1759888), (26, 1083008), (32, 879944), (52, 541504), (64, 439972), (104, 270752), (128, 219986), (208, 135376), (256, 109993), (416, 67688), (832, 33844), (1664, 16922), (3328, 8461)]