207915968

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:494

約数の個数: 84

約数和(自身を含む): 457382880

約数和(自身を除く): 249466912

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 64, 94, 104, 169, 188, 208, 338, 376, 409, 416, 611, 676, 752, 818, 832, 1222, 1352, 1504, 1636, 2444, 2704, 3008, 3272, 4888, 5317, 5408, 6544, 7943, 9776, 10634, 10816, 13088, 15886, 19223, 19552, 21268, 26176, 31772, 38446, 39104, 42536, 63544, 69121, 76892, 85072, 127088, 138242, 153784, 170144, 249899, 254176, 276484, 307568, 340288, 499798, 508352, 552968, 615136, 999596, 1105936, 1230272, 1999192, 2211872, 3248687, 3998384, 4423744, 6497374, 7996768, 12994748, 15993536, 25989496, 51978992, 103957984, 207915968]

約数ペア:

[(1, 207915968), (2, 103957984), (4, 51978992), (8, 25989496), (13, 15993536), (16, 12994748), (26, 7996768), (32, 6497374), (47, 4423744), (52, 3998384), (64, 3248687), (94, 2211872), (104, 1999192), (169, 1230272), (188, 1105936), (208, 999596), (338, 615136), (376, 552968), (409, 508352), (416, 499798), (611, 340288), (676, 307568), (752, 276484), (818, 254176), (832, 249899), (1222, 170144), (1352, 153784), (1504, 138242), (1636, 127088), (2444, 85072), (2704, 76892), (3008, 69121), (3272, 63544), (4888, 42536), (5317, 39104), (5408, 38446), (6544, 31772), (7943, 26176), (9776, 21268), (10634, 19552), (10816, 19223), (13088, 15886)]