213731570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{86531}}^1$

素因数の和:86570

約数の個数: 32

約数和(自身を含む): 436121280

約数和(自身を除く): 222389710

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 86531, 173062, 432655, 865310, 1124903, 1644089, 2249806, 3288178, 5624515, 8220445, 11249030, 16440890, 21373157, 42746314, 106865785, 213731570]

約数ペア:

[(1, 213731570), (2, 106865785), (5, 42746314), (10, 21373157), (13, 16440890), (19, 11249030), (26, 8220445), (38, 5624515), (65, 3288178), (95, 2249806), (130, 1644089), (190, 1124903), (247, 865310), (494, 432655), (1235, 173062), (2470, 86531)]