12966304

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 27941760

約数和(自身を除く): 14975456

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 71, 104, 142, 208, 284, 416, 439, 568, 878, 923, 1136, 1756, 1846, 2272, 3512, 3692, 5707, 7024, 7384, 11414, 14048, 14768, 22828, 29536, 31169, 45656, 62338, 91312, 124676, 182624, 249352, 405197, 498704, 810394, 997408, 1620788, 3241576, 6483152, 12966304]

約数ペア:

[(1, 12966304), (2, 6483152), (4, 3241576), (8, 1620788), (13, 997408), (16, 810394), (26, 498704), (32, 405197), (52, 249352), (71, 182624), (104, 124676), (142, 91312), (208, 62338), (284, 45656), (416, 31169), (439, 29536), (568, 22828), (878, 14768), (923, 14048), (1136, 11414), (1756, 7384), (1846, 7024), (2272, 5707), (3512, 3692)]