71711185

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 114573312

約数和(自身を除く): 42862127

約数列:

[1, 5, 7, 13, 17, 35, 65, 73, 85, 91, 119, 127, 221, 365, 455, 511, 595, 635, 889, 949, 1105, 1241, 1547, 1651, 2159, 2555, 4445, 4745, 6205, 6643, 7735, 8255, 8687, 9271, 10795, 11557, 15113, 16133, 28067, 33215, 43435, 46355, 57785, 64897, 75565, 80665, 112931, 120523, 140335, 157607, 196469, 324485, 564655, 602615, 788035, 843661, 982345, 1103249, 2048891, 4218305, 5516245, 10244455, 14342237, 71711185]

約数ペア:

[(1, 71711185), (5, 14342237), (7, 10244455), (13, 5516245), (17, 4218305), (35, 2048891), (65, 1103249), (73, 982345), (85, 843661), (91, 788035), (119, 602615), (127, 564655), (221, 324485), (365, 196469), (455, 157607), (511, 140335), (595, 120523), (635, 112931), (889, 80665), (949, 75565), (1105, 64897), (1241, 57785), (1547, 46355), (1651, 43435), (2159, 33215), (2555, 28067), (4445, 16133), (4745, 15113), (6205, 11557), (6643, 10795), (7735, 9271), (8255, 8687)]