491871215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{8273}}^1$

素因数の和:8359

約数の個数: 32

約数和(自身を含む): 686278656

約数和(自身を除く): 194407441

約数列:

[1, 5, 11, 23, 47, 55, 115, 235, 253, 517, 1081, 1265, 2585, 5405, 8273, 11891, 41365, 59455, 91003, 190279, 388831, 455015, 951395, 1944155, 2093069, 4277141, 8943113, 10465345, 21385705, 44715565, 98374243, 491871215]

約数ペア:

[(1, 491871215), (5, 98374243), (11, 44715565), (23, 21385705), (47, 10465345), (55, 8943113), (115, 4277141), (235, 2093069), (253, 1944155), (517, 951395), (1081, 455015), (1265, 388831), (2585, 190279), (5405, 91003), (8273, 59455), (11891, 41365)]