1215691165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{643}}^1$

素因数の和:766

約数の個数: 64

約数和(自身を含む): 1752710400

約数和(自身を除く): 537019235

約数列:

[1, 5, 13, 17, 29, 59, 65, 85, 145, 221, 295, 377, 493, 643, 767, 1003, 1105, 1711, 1885, 2465, 3215, 3835, 5015, 6409, 8359, 8555, 10931, 13039, 18647, 22243, 29087, 32045, 37937, 41795, 54655, 65195, 93235, 111215, 142103, 145435, 189685, 242411, 316999, 378131, 493181, 644929, 710515, 1100173, 1212055, 1584995, 1890655, 2465905, 3224645, 4120987, 5500865, 8384077, 14302249, 18702941, 20604935, 41920385, 71511245, 93514705, 243138233, 1215691165]

約数ペア:

[(1, 1215691165), (5, 243138233), (13, 93514705), (17, 71511245), (29, 41920385), (59, 20604935), (65, 18702941), (85, 14302249), (145, 8384077), (221, 5500865), (295, 4120987), (377, 3224645), (493, 2465905), (643, 1890655), (767, 1584995), (1003, 1212055), (1105, 1100173), (1711, 710515), (1885, 644929), (2465, 493181), (3215, 378131), (3835, 316999), (5015, 242411), (6409, 189685), (8359, 145435), (8555, 142103), (10931, 111215), (13039, 93235), (18647, 65195), (22243, 54655), (29087, 41795), (32045, 37937)]