208565565

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1373}}^1$

素因数の和:1454

約数の個数: 64

約数和(自身を含む): 387797760

約数和(自身を除く): 179232195

約数列:

[1, 3, 5, 13, 15, 19, 39, 41, 57, 65, 95, 123, 195, 205, 247, 285, 533, 615, 741, 779, 1235, 1373, 1599, 2337, 2665, 3705, 3895, 4119, 6865, 7995, 10127, 11685, 17849, 20595, 26087, 30381, 50635, 53547, 56293, 78261, 89245, 130435, 151905, 168879, 267735, 281465, 339131, 391305, 731809, 844395, 1017393, 1069567, 1695655, 2195427, 3208701, 3659045, 5086965, 5347835, 10977135, 13904371, 16043505, 41713113, 69521855, 208565565]

約数ペア:

[(1, 208565565), (3, 69521855), (5, 41713113), (13, 16043505), (15, 13904371), (19, 10977135), (39, 5347835), (41, 5086965), (57, 3659045), (65, 3208701), (95, 2195427), (123, 1695655), (195, 1069567), (205, 1017393), (247, 844395), (285, 731809), (533, 391305), (615, 339131), (741, 281465), (779, 267735), (1235, 168879), (1373, 151905), (1599, 130435), (2337, 89245), (2665, 78261), (3705, 56293), (3895, 53547), (4119, 50635), (6865, 30381), (7995, 26087), (10127, 20595), (11685, 17849)]