129750784

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 269538192

約数和(自身を除く): 139787408

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 73, 106, 128, 131, 146, 212, 256, 262, 292, 424, 524, 584, 848, 1048, 1168, 1696, 2096, 2336, 3392, 3869, 4192, 4672, 6784, 6943, 7738, 8384, 9344, 9563, 13568, 13886, 15476, 16768, 18688, 19126, 27772, 30952, 33536, 38252, 55544, 61904, 76504, 111088, 123808, 153008, 222176, 247616, 306016, 444352, 495232, 506839, 612032, 888704, 990464, 1013678, 1224064, 1777408, 2027356, 2448128, 4054712, 8109424, 16218848, 32437696, 64875392, 129750784]

約数ペア:

[(1, 129750784), (2, 64875392), (4, 32437696), (8, 16218848), (16, 8109424), (32, 4054712), (53, 2448128), (64, 2027356), (73, 1777408), (106, 1224064), (128, 1013678), (131, 990464), (146, 888704), (212, 612032), (256, 506839), (262, 495232), (292, 444352), (424, 306016), (524, 247616), (584, 222176), (848, 153008), (1048, 123808), (1168, 111088), (1696, 76504), (2096, 61904), (2336, 55544), (3392, 38252), (3869, 33536), (4192, 30952), (4672, 27772), (6784, 19126), (6943, 18688), (7738, 16768), (8384, 15476), (9344, 13886), (9563, 13568)]