228557615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{857}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 323459136

約数和(自身を除く): 94901521

約数列:

[1, 5, 11, 13, 55, 65, 143, 373, 715, 857, 1865, 4103, 4285, 4849, 9427, 11141, 20515, 24245, 47135, 53339, 55705, 122551, 266695, 319661, 612755, 1598305, 3516271, 4155593, 17581355, 20777965, 45711523, 228557615]

約数ペア:

[(1, 228557615), (5, 45711523), (11, 20777965), (13, 17581355), (55, 4155593), (65, 3516271), (143, 1598305), (373, 612755), (715, 319661), (857, 266695), (1865, 122551), (4103, 55705), (4285, 53339), (4849, 47135), (9427, 24245), (11141, 20515)]