261942436

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2269}}^1$

素因数の和:2337

約数の個数: 72

約数和(自身を含む): 579667200

約数和(自身を除く): 317724764

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 49, 62, 76, 98, 124, 133, 196, 217, 266, 434, 532, 589, 868, 931, 1178, 1519, 1862, 2269, 2356, 3038, 3724, 4123, 4538, 6076, 8246, 9076, 15883, 16492, 28861, 31766, 43111, 57722, 63532, 70339, 86222, 111181, 115444, 140678, 172444, 222362, 281356, 301777, 444724, 492373, 603554, 984746, 1207108, 1336441, 1969492, 2112439, 2672882, 3446611, 4224878, 5345764, 6893222, 8449756, 9355087, 13786444, 18710174, 37420348, 65485609, 130971218, 261942436]

約数ペア:

[(1, 261942436), (2, 130971218), (4, 65485609), (7, 37420348), (14, 18710174), (19, 13786444), (28, 9355087), (31, 8449756), (38, 6893222), (49, 5345764), (62, 4224878), (76, 3446611), (98, 2672882), (124, 2112439), (133, 1969492), (196, 1336441), (217, 1207108), (266, 984746), (434, 603554), (532, 492373), (589, 444724), (868, 301777), (931, 281356), (1178, 222362), (1519, 172444), (1862, 140678), (2269, 115444), (2356, 111181), (3038, 86222), (3724, 70339), (4123, 63532), (4538, 57722), (6076, 43111), (8246, 31766), (9076, 28861), (15883, 16492)]