208562145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{937}}^1$

素因数の和:1046

約数の個数: 64

約数和(自身を含む): 389007360

約数和(自身を除く): 180445215

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 71, 95, 165, 209, 213, 285, 355, 627, 781, 937, 1045, 1065, 1349, 2343, 2811, 3135, 3905, 4047, 4685, 6745, 10307, 11715, 14055, 14839, 17803, 20235, 30921, 44517, 51535, 53409, 66527, 74195, 89015, 154605, 195833, 199581, 222585, 267045, 332635, 587499, 731797, 979165, 997905, 1264013, 2195391, 2937495, 3658985, 3792039, 6320065, 10976955, 13904143, 18960195, 41712429, 69520715, 208562145]

約数ペア:

[(1, 208562145), (3, 69520715), (5, 41712429), (11, 18960195), (15, 13904143), (19, 10976955), (33, 6320065), (55, 3792039), (57, 3658985), (71, 2937495), (95, 2195391), (165, 1264013), (209, 997905), (213, 979165), (285, 731797), (355, 587499), (627, 332635), (781, 267045), (937, 222585), (1045, 199581), (1065, 195833), (1349, 154605), (2343, 89015), (2811, 74195), (3135, 66527), (3905, 53409), (4047, 51535), (4685, 44517), (6745, 30921), (10307, 20235), (11715, 17803), (14055, 14839)]