858904430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{20129}}^1$

素因数の和:20404

約数の個数: 32

約数和(自身を含む): 1643574240

約数和(自身を除く): 784669810

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 251, 502, 1255, 2510, 4267, 8534, 20129, 21335, 40258, 42670, 100645, 201290, 342193, 684386, 1710965, 3421930, 5052379, 10104758, 25261895, 50523790, 85890443, 171780886, 429452215, 858904430]

約数ペア:

[(1, 858904430), (2, 429452215), (5, 171780886), (10, 85890443), (17, 50523790), (34, 25261895), (85, 10104758), (170, 5052379), (251, 3421930), (502, 1710965), (1255, 684386), (2510, 342193), (4267, 201290), (8534, 100645), (20129, 42670), (21335, 40258)]