2891580769

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{1699}}^1$

素因数の和:1802

約数の個数: 48

約数和(自身を含む): 3889382400

約数和(自身を除く): 997801631

約数列:

[1, 7, 11, 23, 31, 77, 161, 217, 253, 341, 713, 961, 1699, 1771, 2387, 4991, 6727, 7843, 10571, 11893, 18689, 22103, 39077, 52669, 54901, 73997, 130823, 154721, 243133, 273539, 368683, 429847, 579359, 1211387, 1632739, 1701931, 3008929, 4055513, 8479709, 11429173, 13325257, 17960129, 37552997, 93276799, 125720903, 262870979, 413082967, 2891580769]

約数ペア:

[(1, 2891580769), (7, 413082967), (11, 262870979), (23, 125720903), (31, 93276799), (77, 37552997), (161, 17960129), (217, 13325257), (253, 11429173), (341, 8479709), (713, 4055513), (961, 3008929), (1699, 1701931), (1771, 1632739), (2387, 1211387), (4991, 579359), (6727, 429847), (7843, 368683), (10571, 273539), (11893, 243133), (18689, 154721), (22103, 130823), (39077, 73997), (52669, 54901)]