256543184

素因数分解:

$2^4\times {\mathrm{2141}}^1\times {\mathrm{7489}}^1$

素因数の和:9638

約数の個数: 20

約数和(自身を含む): 497350980

約数和(自身を除く): 240807796

約数列:

[1, 2, 4, 8, 16, 2141, 4282, 7489, 8564, 14978, 17128, 29956, 34256, 59912, 119824, 16033949, 32067898, 64135796, 128271592, 256543184]

約数ペア:

[(1, 256543184), (2, 128271592), (4, 64135796), (8, 32067898), (16, 16033949), (2141, 119824), (4282, 59912), (7489, 34256), (8564, 29956), (14978, 17128)]