123500905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 166167936

約数和(自身を除く): 42667031

約数列:

[1, 5, 11, 55, 61, 131, 281, 305, 655, 671, 1405, 1441, 3091, 3355, 7205, 7991, 15455, 17141, 36811, 39955, 85705, 87901, 184055, 188551, 404921, 439505, 942755, 2024605, 2245471, 11227355, 24700181, 123500905]

約数ペア:

[(1, 123500905), (5, 24700181), (11, 11227355), (55, 2245471), (61, 2024605), (131, 942755), (281, 439505), (305, 404921), (655, 188551), (671, 184055), (1405, 87901), (1441, 85705), (3091, 39955), (3355, 36811), (7205, 17141), (7991, 15455)]