281142512

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{18059}}^1$

素因数の和:18213

約数の個数: 40

約数和(自身を含む): 627043200

約数和(自身を除く): 345900688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1946, 2224, 3892, 7784, 15568, 18059, 36118, 72236, 126413, 144472, 252826, 288944, 505652, 1011304, 2022608, 2510201, 5020402, 10040804, 17571407, 20081608, 35142814, 40163216, 70285628, 140571256, 281142512]

約数ペア:

[(1, 281142512), (2, 140571256), (4, 70285628), (7, 40163216), (8, 35142814), (14, 20081608), (16, 17571407), (28, 10040804), (56, 5020402), (112, 2510201), (139, 2022608), (278, 1011304), (556, 505652), (973, 288944), (1112, 252826), (1946, 144472), (2224, 126413), (3892, 72236), (7784, 36118), (15568, 18059)]