31503004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 61903072

約数和(自身を除く): 30400068

約数列:

[1, 2, 4, 13, 26, 43, 52, 73, 86, 146, 172, 193, 292, 386, 559, 772, 949, 1118, 1898, 2236, 2509, 3139, 3796, 5018, 6278, 8299, 10036, 12556, 14089, 16598, 28178, 33196, 40807, 56356, 81614, 107887, 163228, 183157, 215774, 366314, 431548, 605827, 732628, 1211654, 2423308, 7875751, 15751502, 31503004]

約数ペア:

[(1, 31503004), (2, 15751502), (4, 7875751), (13, 2423308), (26, 1211654), (43, 732628), (52, 605827), (73, 431548), (86, 366314), (146, 215774), (172, 183157), (193, 163228), (292, 107887), (386, 81614), (559, 56356), (772, 40807), (949, 33196), (1118, 28178), (1898, 16598), (2236, 14089), (2509, 12556), (3139, 10036), (3796, 8299), (5018, 6278)]