13338290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 28268352

約数和(自身を除く): 14930062

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 163, 167, 245, 326, 334, 490, 815, 835, 1141, 1169, 1630, 1670, 2282, 2338, 5705, 5845, 7987, 8183, 11410, 11690, 15974, 16366, 27221, 39935, 40915, 54442, 79870, 81830, 136105, 190547, 272210, 381094, 952735, 1333829, 1905470, 2667658, 6669145, 13338290]

約数ペア:

[(1, 13338290), (2, 6669145), (5, 2667658), (7, 1905470), (10, 1333829), (14, 952735), (35, 381094), (49, 272210), (70, 190547), (98, 136105), (163, 81830), (167, 79870), (245, 54442), (326, 40915), (334, 39935), (490, 27221), (815, 16366), (835, 15974), (1141, 11690), (1169, 11410), (1630, 8183), (1670, 7987), (2282, 5845), (2338, 5705)]