15721212388

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2087}}^1\times {\mathrm{9277}}^1$

素因数の和:11404

約数の個数: 48

約数和(自身を含む): 32545739520

約数和(自身を除く): 16824527132

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 2087, 4174, 8348, 9277, 14609, 18554, 29218, 37108, 58436, 60523, 64939, 121046, 129878, 242092, 259756, 269033, 423661, 538066, 847322, 1076132, 1694644, 1883231, 3766462, 7532924, 19361099, 38722198, 77444396, 135527693, 271055386, 542110772, 561471871, 1122943742, 2245887484, 3930303097, 7860606194, 15721212388]

約数ペア:

[(1, 15721212388), (2, 7860606194), (4, 3930303097), (7, 2245887484), (14, 1122943742), (28, 561471871), (29, 542110772), (58, 271055386), (116, 135527693), (203, 77444396), (406, 38722198), (812, 19361099), (2087, 7532924), (4174, 3766462), (8348, 1883231), (9277, 1694644), (14609, 1076132), (18554, 847322), (29218, 538066), (37108, 423661), (58436, 269033), (60523, 259756), (64939, 242092), (121046, 129878)]