247855348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 480090240

約数和(自身を除く): 232234892

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 139, 212, 278, 556, 647, 689, 1294, 1378, 1807, 2588, 2756, 3614, 7228, 7367, 8411, 14734, 16822, 29468, 33644, 34291, 68582, 89933, 95771, 137164, 179866, 191542, 359732, 383084, 445783, 891566, 1169129, 1783132, 2338258, 4676516, 4766449, 9532898, 19065796, 61963837, 123927674, 247855348]

約数ペア:

[(1, 247855348), (2, 123927674), (4, 61963837), (13, 19065796), (26, 9532898), (52, 4766449), (53, 4676516), (106, 2338258), (139, 1783132), (212, 1169129), (278, 891566), (556, 445783), (647, 383084), (689, 359732), (1294, 191542), (1378, 179866), (1807, 137164), (2588, 95771), (2756, 89933), (3614, 68582), (7228, 34291), (7367, 33644), (8411, 29468), (14734, 16822)]