28385968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136471}}^1$

素因数の和:136492

約数の個数: 20

約数和(自身を含む): 59228848

約数和(自身を除く): 30842880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136471, 272942, 545884, 1091768, 1774123, 2183536, 3548246, 7096492, 14192984, 28385968]

約数ペア:

[(1, 28385968), (2, 14192984), (4, 7096492), (8, 3548246), (13, 2183536), (16, 1774123), (26, 1091768), (52, 545884), (104, 272942), (208, 136471)]