172078985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 247726080

約数和(自身を除く): 75647095

約数列:

[1, 5, 13, 23, 31, 47, 65, 79, 115, 155, 235, 299, 395, 403, 611, 713, 1027, 1081, 1457, 1495, 1817, 2015, 2449, 3055, 3565, 3713, 5135, 5405, 7285, 9085, 9269, 12245, 14053, 18565, 18941, 23621, 31837, 33511, 46345, 48269, 56327, 70265, 85399, 94705, 115103, 118105, 159185, 167555, 241345, 281635, 426995, 435643, 575515, 732251, 1110187, 1496339, 2178215, 2647369, 3661255, 5550935, 7481695, 13236845, 34415797, 172078985]

約数ペア:

[(1, 172078985), (5, 34415797), (13, 13236845), (23, 7481695), (31, 5550935), (47, 3661255), (65, 2647369), (79, 2178215), (115, 1496339), (155, 1110187), (235, 732251), (299, 575515), (395, 435643), (403, 426995), (611, 281635), (713, 241345), (1027, 167555), (1081, 159185), (1457, 118105), (1495, 115103), (1817, 94705), (2015, 85399), (2449, 70265), (3055, 56327), (3565, 48269), (3713, 46345), (5135, 33511), (5405, 31837), (7285, 23621), (9085, 18941), (9269, 18565), (12245, 14053)]