215937995

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{27917}}^1$

素因数の和:27959

約数の個数: 32

約数和(自身を含む): 337696128

約数和(自身を除く): 121758133

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 7735, 27917, 139585, 195419, 362921, 474589, 977095, 1814605, 2372945, 2540447, 3322123, 6169657, 12702235, 16610615, 30848285, 43187599, 215937995]

約数ペア:

[(1, 215937995), (5, 43187599), (7, 30848285), (13, 16610615), (17, 12702235), (35, 6169657), (65, 3322123), (85, 2540447), (91, 2372945), (119, 1814605), (221, 977095), (455, 474589), (595, 362921), (1105, 195419), (1547, 139585), (7735, 27917)]