208405912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2719}}^1$

素因数の和:2816

約数の個数: 64

約数和(自身を含む): 466099200

約数和(自身を除く): 257693288

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 67, 88, 104, 134, 143, 268, 286, 536, 572, 737, 871, 1144, 1474, 1742, 2719, 2948, 3484, 5438, 5896, 6968, 9581, 10876, 19162, 21752, 29909, 35347, 38324, 59818, 70694, 76648, 119636, 141388, 182173, 239272, 282776, 364346, 388817, 728692, 777634, 1457384, 1555268, 2003903, 2368249, 3110536, 4007806, 4736498, 8015612, 9472996, 16031224, 18945992, 26050739, 52101478, 104202956, 208405912]

約数ペア:

[(1, 208405912), (2, 104202956), (4, 52101478), (8, 26050739), (11, 18945992), (13, 16031224), (22, 9472996), (26, 8015612), (44, 4736498), (52, 4007806), (67, 3110536), (88, 2368249), (104, 2003903), (134, 1555268), (143, 1457384), (268, 777634), (286, 728692), (536, 388817), (572, 364346), (737, 282776), (871, 239272), (1144, 182173), (1474, 141388), (1742, 119636), (2719, 76648), (2948, 70694), (3484, 59818), (5438, 38324), (5896, 35347), (6968, 29909), (9581, 21752), (10876, 19162)]