491019985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{22123}}^1$

素因数の和:22344

約数の個数: 16

約数和(自身を含む): 618056064

約数和(自身を除く): 127036079

約数列:

[1, 5, 23, 115, 193, 965, 4439, 22123, 22195, 110615, 508829, 2544145, 4269739, 21348695, 98203997, 491019985]

約数ペア:

[(1, 491019985), (5, 98203997), (23, 21348695), (115, 4269739), (193, 2544145), (965, 508829), (4439, 110615), (22123, 22195)]