128207770

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:934

約数の個数: 32

約数和(自身を含む): 234436608

約数和(自身を除く): 106228838

約数列:

[1, 2, 5, 10, 127, 157, 254, 314, 635, 643, 785, 1270, 1286, 1570, 3215, 6430, 19939, 39878, 81661, 99695, 100951, 163322, 199390, 201902, 408305, 504755, 816610, 1009510, 12820777, 25641554, 64103885, 128207770]

約数ペア:

[(1, 128207770), (2, 64103885), (5, 25641554), (10, 12820777), (127, 1009510), (157, 816610), (254, 504755), (314, 408305), (635, 201902), (643, 199390), (785, 163322), (1270, 100951), (1286, 99695), (1570, 81661), (3215, 39878), (6430, 19939)]