16877515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 22861440

約数和(自身を除く): 5983925

約数列:

[1, 5, 17, 23, 85, 89, 97, 115, 391, 445, 485, 1513, 1649, 1955, 2047, 2231, 7565, 8245, 8633, 10235, 11155, 34799, 37927, 43165, 146761, 173995, 189635, 198559, 733805, 992795, 3375503, 16877515]

約数ペア:

[(1, 16877515), (5, 3375503), (17, 992795), (23, 733805), (85, 198559), (89, 189635), (97, 173995), (115, 146761), (391, 43165), (445, 37927), (485, 34799), (1513, 11155), (1649, 10235), (1955, 8633), (2047, 8245), (2231, 7565)]