257301816

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{81839}}^1$

素因数の和:81979

約数の個数: 32

約数和(自身を含む): 648172800

約数和(自身を除く): 390870984

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 262, 393, 524, 786, 1048, 1572, 3144, 81839, 163678, 245517, 327356, 491034, 654712, 982068, 1964136, 10720909, 21441818, 32162727, 42883636, 64325454, 85767272, 128650908, 257301816]

約数ペア:

[(1, 257301816), (2, 128650908), (3, 85767272), (4, 64325454), (6, 42883636), (8, 32162727), (12, 21441818), (24, 10720909), (131, 1964136), (262, 982068), (393, 654712), (524, 491034), (786, 327356), (1048, 245517), (1572, 163678), (3144, 81839)]