87831205

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12007}}^1$

素因数の和:12049

約数の個数: 32

約数和(自身を含む): 138332160

約数和(自身を除く): 50500955

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 7315, 12007, 60035, 84049, 132077, 228133, 420245, 660385, 924539, 1140665, 1596931, 2509463, 4622695, 7984655, 12547315, 17566241, 87831205]

約数ペア:

[(1, 87831205), (5, 17566241), (7, 12547315), (11, 7984655), (19, 4622695), (35, 2509463), (55, 1596931), (77, 1140665), (95, 924539), (133, 660385), (209, 420245), (385, 228133), (665, 132077), (1045, 84049), (1463, 60035), (7315, 12007)]