89890255

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^3\times {\mathrm{167}}^1$

素因数の和:225

約数の個数: 48

約数和(自身を含む): 136745280

約数和(自身を除く): 46855025

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 167, 169, 245, 455, 637, 835, 845, 1169, 1183, 2171, 2197, 3185, 5845, 5915, 8183, 8281, 10855, 10985, 15197, 15379, 28223, 40915, 41405, 75985, 76895, 106379, 107653, 141115, 197561, 366899, 531895, 538265, 987805, 1382927, 1834495, 2568293, 6914635, 12841465, 17978051, 89890255]

約数ペア:

[(1, 89890255), (5, 17978051), (7, 12841465), (13, 6914635), (35, 2568293), (49, 1834495), (65, 1382927), (91, 987805), (167, 538265), (169, 531895), (245, 366899), (455, 197561), (637, 141115), (835, 107653), (845, 106379), (1169, 76895), (1183, 75985), (2171, 41405), (2197, 40915), (3185, 28223), (5845, 15379), (5915, 15197), (8183, 10985), (8281, 10855)]