8839390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{641}}^1$

素因数の和:852

約数の個数: 32

約数和(自身を含む): 18304704

約数和(自身を除く): 9465314

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 641, 985, 1282, 1379, 1970, 2758, 3205, 4487, 6410, 6895, 8974, 13790, 22435, 44870, 126277, 252554, 631385, 883939, 1262770, 1767878, 4419695, 8839390]

約数ペア:

[(1, 8839390), (2, 4419695), (5, 1767878), (7, 1262770), (10, 883939), (14, 631385), (35, 252554), (70, 126277), (197, 44870), (394, 22435), (641, 13790), (985, 8974), (1282, 6895), (1379, 6410), (1970, 4487), (2758, 3205)]