209967306

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 457850880

約数和(自身を除く): 247883574

約数列:

[1, 2, 3, 6, 17, 34, 51, 71, 79, 102, 142, 158, 213, 237, 367, 426, 474, 734, 1101, 1207, 1343, 2202, 2414, 2686, 3621, 4029, 5609, 6239, 7242, 8058, 11218, 12478, 16827, 18717, 26057, 28993, 33654, 37434, 52114, 57986, 78171, 86979, 95353, 156342, 173958, 190706, 286059, 442969, 492881, 572118, 885938, 985762, 1328907, 1478643, 2058503, 2657814, 2957286, 4117006, 6175509, 12351018, 34994551, 69989102, 104983653, 209967306]

約数ペア:

[(1, 209967306), (2, 104983653), (3, 69989102), (6, 34994551), (17, 12351018), (34, 6175509), (51, 4117006), (71, 2957286), (79, 2657814), (102, 2058503), (142, 1478643), (158, 1328907), (213, 985762), (237, 885938), (367, 572118), (426, 492881), (474, 442969), (734, 286059), (1101, 190706), (1207, 173958), (1343, 156342), (2202, 95353), (2414, 86979), (2686, 78171), (3621, 57986), (4029, 52114), (5609, 37434), (6239, 33654), (7242, 28993), (8058, 26057), (11218, 18717), (12478, 16827)]