291225266

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{613}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 471478320

約数和(自身を除く): 180253054

約数列:

[1, 2, 17, 34, 89, 157, 178, 314, 613, 1226, 1513, 2669, 3026, 5338, 10421, 13973, 20842, 27946, 54557, 96241, 109114, 192482, 237541, 475082, 927469, 1636097, 1854938, 3272194, 8565449, 17130898, 145612633, 291225266]

約数ペア:

[(1, 291225266), (2, 145612633), (17, 17130898), (34, 8565449), (89, 3272194), (157, 1854938), (178, 1636097), (314, 927469), (613, 475082), (1226, 237541), (1513, 192482), (2669, 109114), (3026, 96241), (5338, 54557), (10421, 27946), (13973, 20842)]