207801748

素因数分解:

$2^2\times 7^5\times {\mathrm{11}}^1\times {\mathrm{281}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 464474304

約数和(自身を除く): 256672556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 281, 308, 343, 539, 562, 686, 1078, 1124, 1372, 1967, 2156, 2401, 3091, 3773, 3934, 4802, 6182, 7546, 7868, 9604, 12364, 13769, 15092, 16807, 21637, 26411, 27538, 33614, 43274, 52822, 55076, 67228, 86548, 96383, 105644, 151459, 184877, 192766, 302918, 369754, 385532, 605836, 674681, 739508, 1060213, 1349362, 2120426, 2698724, 4240852, 4722767, 7421491, 9445534, 14842982, 18891068, 29685964, 51950437, 103900874, 207801748]

約数ペア:

[(1, 207801748), (2, 103900874), (4, 51950437), (7, 29685964), (11, 18891068), (14, 14842982), (22, 9445534), (28, 7421491), (44, 4722767), (49, 4240852), (77, 2698724), (98, 2120426), (154, 1349362), (196, 1060213), (281, 739508), (308, 674681), (343, 605836), (539, 385532), (562, 369754), (686, 302918), (1078, 192766), (1124, 184877), (1372, 151459), (1967, 105644), (2156, 96383), (2401, 86548), (3091, 67228), (3773, 55076), (3934, 52822), (4802, 43274), (6182, 33614), (7546, 27538), (7868, 26411), (9604, 21637), (12364, 16807), (13769, 15092)]