168681905

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 264591360

約数和(自身を除く): 95909455

約数列:

[1, 5, 7, 17, 19, 35, 43, 85, 95, 119, 133, 215, 301, 323, 347, 595, 665, 731, 817, 1505, 1615, 1735, 2261, 2429, 3655, 4085, 5117, 5719, 5899, 6593, 11305, 12145, 13889, 14921, 25585, 28595, 29495, 32965, 41293, 46151, 69445, 74605, 97223, 104447, 112081, 206465, 230755, 253657, 283499, 486115, 522235, 560405, 784567, 1268285, 1417495, 1775599, 1984493, 3922835, 4819483, 8877995, 9922465, 24097415, 33736381, 168681905]

約数ペア:

[(1, 168681905), (5, 33736381), (7, 24097415), (17, 9922465), (19, 8877995), (35, 4819483), (43, 3922835), (85, 1984493), (95, 1775599), (119, 1417495), (133, 1268285), (215, 784567), (301, 560405), (323, 522235), (347, 486115), (595, 283499), (665, 253657), (731, 230755), (817, 206465), (1505, 112081), (1615, 104447), (1735, 97223), (2261, 74605), (2429, 69445), (3655, 46151), (4085, 41293), (5117, 32965), (5719, 29495), (5899, 28595), (6593, 25585), (11305, 14921), (12145, 13889)]