168781010

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{1951}}^1$

素因数の和:2210

約数の個数: 32

約数和(自身を含む): 312850944

約数和(自身を除く): 144069934

約数列:

[1, 2, 5, 10, 41, 82, 205, 211, 410, 422, 1055, 1951, 2110, 3902, 8651, 9755, 17302, 19510, 43255, 79991, 86510, 159982, 399955, 411661, 799910, 823322, 2058305, 4116610, 16878101, 33756202, 84390505, 168781010]

約数ペア:

[(1, 168781010), (2, 84390505), (5, 33756202), (10, 16878101), (41, 4116610), (82, 2058305), (205, 823322), (211, 799910), (410, 411661), (422, 399955), (1055, 159982), (1951, 86510), (2110, 79991), (3902, 43255), (8651, 19510), (9755, 17302)]