668242016

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{37357}}^1$

素因数の和:37423

約数の個数: 48

約数和(自身を含む): 1449789264

約数和(自身を除く): 781547248

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1118, 1376, 2236, 4472, 8944, 17888, 37357, 74714, 149428, 298856, 485641, 597712, 971282, 1195424, 1606351, 1942564, 3212702, 3885128, 6425404, 7770256, 12850808, 15540512, 20882563, 25701616, 41765126, 51403232, 83530252, 167060504, 334121008, 668242016]

約数ペア:

[(1, 668242016), (2, 334121008), (4, 167060504), (8, 83530252), (13, 51403232), (16, 41765126), (26, 25701616), (32, 20882563), (43, 15540512), (52, 12850808), (86, 7770256), (104, 6425404), (172, 3885128), (208, 3212702), (344, 1942564), (416, 1606351), (559, 1195424), (688, 971282), (1118, 597712), (1376, 485641), (2236, 298856), (4472, 149428), (8944, 74714), (17888, 37357)]