138640424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{2969}}^1$

素因数の和:3437

約数の個数: 32

約数和(自身を含む): 280665000

約数和(自身を除く): 142024576

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 449, 898, 1796, 2969, 3592, 5837, 5938, 11674, 11876, 23348, 23752, 38597, 46696, 77194, 154388, 308776, 1333081, 2666162, 5332324, 10664648, 17330053, 34660106, 69320212, 138640424]

約数ペア:

[(1, 138640424), (2, 69320212), (4, 34660106), (8, 17330053), (13, 10664648), (26, 5332324), (52, 2666162), (104, 1333081), (449, 308776), (898, 154388), (1796, 77194), (2969, 46696), (3592, 38597), (5837, 23752), (5938, 23348), (11674, 11876)]