209003912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{14669}}^1$

素因数の和:14825

約数の個数: 32

約数和(自身を含む): 425136600

約数和(自身を除く): 216132688

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 137, 274, 548, 1096, 1781, 3562, 7124, 14248, 14669, 29338, 58676, 117352, 190697, 381394, 762788, 1525576, 2009653, 4019306, 8038612, 16077224, 26125489, 52250978, 104501956, 209003912]

約数ペア:

[(1, 209003912), (2, 104501956), (4, 52250978), (8, 26125489), (13, 16077224), (26, 8038612), (52, 4019306), (104, 2009653), (137, 1525576), (274, 762788), (548, 381394), (1096, 190697), (1781, 117352), (3562, 58676), (7124, 29338), (14248, 14669)]