207915974

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 387763200

約数和(自身を除く): 179847226

約数列:

[1, 2, 7, 14, 19, 38, 71, 101, 109, 133, 142, 202, 218, 266, 497, 707, 763, 994, 1349, 1414, 1526, 1919, 2071, 2698, 3838, 4142, 7171, 7739, 9443, 11009, 13433, 14342, 14497, 15478, 18886, 22018, 26866, 28994, 50197, 54173, 77063, 100394, 108346, 136249, 147041, 154126, 209171, 272498, 294082, 418342, 781639, 953743, 1029287, 1464197, 1563278, 1907486, 2058574, 2928394, 5471473, 10942946, 14851141, 29702282, 103957987, 207915974]

約数ペア:

[(1, 207915974), (2, 103957987), (7, 29702282), (14, 14851141), (19, 10942946), (38, 5471473), (71, 2928394), (101, 2058574), (109, 1907486), (133, 1563278), (142, 1464197), (202, 1029287), (218, 953743), (266, 781639), (497, 418342), (707, 294082), (763, 272498), (994, 209171), (1349, 154126), (1414, 147041), (1526, 136249), (1919, 108346), (2071, 100394), (2698, 77063), (3838, 54173), (4142, 50197), (7171, 28994), (7739, 26866), (9443, 22018), (11009, 18886), (13433, 15478), (14342, 14497)]