129352336

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{260791}}^1$

素因数の和:260830

約数の個数: 20

約数和(自身を含む): 258705664

約数和(自身を除く): 129353328

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 260791, 521582, 1043164, 2086328, 4172656, 8084521, 16169042, 32338084, 64676168, 129352336]

約数ペア:

[(1, 129352336), (2, 64676168), (4, 32338084), (8, 16169042), (16, 8084521), (31, 4172656), (62, 2086328), (124, 1043164), (248, 521582), (496, 260791)]