86865891

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 146657280

約数和(自身を除く): 59791389

約数列:

[1, 3, 7, 19, 21, 43, 57, 61, 83, 129, 133, 183, 249, 301, 399, 427, 581, 817, 903, 1159, 1281, 1577, 1743, 2451, 2623, 3477, 3569, 4731, 5063, 5719, 7869, 8113, 10707, 11039, 15189, 17157, 18361, 24339, 24983, 33117, 35441, 49837, 55083, 67811, 74949, 96197, 106323, 149511, 203433, 217709, 288591, 348859, 474677, 653127, 673379, 1046577, 1424031, 1523963, 2020137, 4136471, 4571889, 12409413, 28955297, 86865891]

約数ペア:

[(1, 86865891), (3, 28955297), (7, 12409413), (19, 4571889), (21, 4136471), (43, 2020137), (57, 1523963), (61, 1424031), (83, 1046577), (129, 673379), (133, 653127), (183, 474677), (249, 348859), (301, 288591), (399, 217709), (427, 203433), (581, 149511), (817, 106323), (903, 96197), (1159, 74949), (1281, 67811), (1577, 55083), (1743, 49837), (2451, 35441), (2623, 33117), (3477, 24983), (3569, 24339), (4731, 18361), (5063, 17157), (5719, 15189), (7869, 11039), (8113, 10707)]