249656420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{960217}}^1$

素因数の和:960239

約数の個数: 24

約数和(自身を含む): 564608184

約数和(自身を除く): 314951764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 960217, 1920434, 3840868, 4801085, 9602170, 12482821, 19204340, 24965642, 49931284, 62414105, 124828210, 249656420]

約数ペア:

[(1, 249656420), (2, 124828210), (4, 62414105), (5, 49931284), (10, 24965642), (13, 19204340), (20, 12482821), (26, 9602170), (52, 4801085), (65, 3840868), (130, 1920434), (260, 960217)]