211545145

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{13831}}^1$

素因数の和:13885

約数の個数: 32

約数和(自身を含む): 318689280

約数和(自身を除く): 107144135

約数列:

[1, 5, 7, 19, 23, 35, 95, 115, 133, 161, 437, 665, 805, 2185, 3059, 13831, 15295, 69155, 96817, 262789, 318113, 484085, 1313945, 1590565, 1839523, 2226791, 6044147, 9197615, 11133955, 30220735, 42309029, 211545145]

約数ペア:

[(1, 211545145), (5, 42309029), (7, 30220735), (19, 11133955), (23, 9197615), (35, 6044147), (95, 2226791), (115, 1839523), (133, 1590565), (161, 1313945), (437, 484085), (665, 318113), (805, 262789), (2185, 96817), (3059, 69155), (13831, 15295)]