16439425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 22070016

約数和(自身を除く): 5630591

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 799, 823, 1175, 3995, 4115, 13991, 19975, 20575, 38681, 69955, 193405, 349775, 657577, 967025, 3287885, 16439425]

約数ペア:

[(1, 16439425), (5, 3287885), (17, 967025), (25, 657577), (47, 349775), (85, 193405), (235, 69955), (425, 38681), (799, 20575), (823, 19975), (1175, 13991), (3995, 4115)]