162891421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 208067328

約数和(自身を除く): 45175907

約数列:

[1, 7, 11, 77, 97, 113, 193, 679, 791, 1067, 1243, 1351, 2123, 7469, 8701, 10961, 14861, 18721, 21809, 76727, 120571, 131047, 152663, 205931, 239899, 843997, 1441517, 1679293, 2115473, 14808311, 23270203, 162891421]

約数ペア:

[(1, 162891421), (7, 23270203), (11, 14808311), (77, 2115473), (97, 1679293), (113, 1441517), (193, 843997), (679, 239899), (791, 205931), (1067, 152663), (1243, 131047), (1351, 120571), (2123, 76727), (7469, 21809), (8701, 18721), (10961, 14861)]