1305824

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 2871792

約数和(自身を除く): 1565968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 73, 86, 104, 146, 172, 208, 292, 344, 416, 559, 584, 688, 949, 1118, 1168, 1376, 1898, 2236, 2336, 3139, 3796, 4472, 6278, 7592, 8944, 12556, 15184, 17888, 25112, 30368, 40807, 50224, 81614, 100448, 163228, 326456, 652912, 1305824]

約数ペア:

[(1, 1305824), (2, 652912), (4, 326456), (8, 163228), (13, 100448), (16, 81614), (26, 50224), (32, 40807), (43, 30368), (52, 25112), (73, 17888), (86, 15184), (104, 12556), (146, 8944), (172, 7592), (208, 6278), (292, 4472), (344, 3796), (416, 3139), (559, 2336), (584, 2236), (688, 1898), (949, 1376), (1118, 1168)]