72628294557

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{613}}^1$

素因数の和:1188

約数の個数: 128

約数和(自身を含む): 129228825600

約数和(自身を除く): 56600531043

約数列:

[1, 3, 7, 13, 17, 21, 39, 49, 51, 91, 119, 147, 221, 273, 343, 357, 521, 613, 637, 663, 833, 1029, 1547, 1563, 1839, 1911, 2499, 3647, 4291, 4459, 4641, 5831, 6773, 7969, 8857, 10421, 10829, 10941, 12873, 13377, 17493, 20319, 23907, 25529, 26571, 30037, 31263, 32487, 47411, 55783, 61999, 72947, 75803, 76587, 90111, 115141, 135473, 142233, 167349, 178703, 185997, 210259, 218841, 227409, 319373, 331877, 345423, 390481, 406419, 433993, 510629, 536109, 630777, 805987, 948311, 958119, 995631, 1171443, 1301979, 1531887, 2235611, 2323139, 2417961, 2733367, 2844933, 3037951, 3574403, 4151849, 5429341, 5641909, 6638177, 6706833, 6969417, 8200101, 9113853, 10723209, 12455547, 15649277, 16288023, 16925727, 19914531, 29062943, 38005387, 39493363, 46467239, 46947831, 70581433, 87188829, 109544939, 114016161, 118480089, 139401717, 203440601, 211744299, 266037709, 328634817, 494070031, 610321803, 798113127, 1424084207, 1482210093, 1862263963, 3458490217, 4272252621, 5586791889, 10375470651, 24209431519, 72628294557]

約数ペア:

[(1, 72628294557), (3, 24209431519), (7, 10375470651), (13, 5586791889), (17, 4272252621), (21, 3458490217), (39, 1862263963), (49, 1482210093), (51, 1424084207), (91, 798113127), (119, 610321803), (147, 494070031), (221, 328634817), (273, 266037709), (343, 211744299), (357, 203440601), (521, 139401717), (613, 118480089), (637, 114016161), (663, 109544939), (833, 87188829), (1029, 70581433), (1547, 46947831), (1563, 46467239), (1839, 39493363), (1911, 38005387), (2499, 29062943), (3647, 19914531), (4291, 16925727), (4459, 16288023), (4641, 15649277), (5831, 12455547), (6773, 10723209), (7969, 9113853), (8857, 8200101), (10421, 6969417), (10829, 6706833), (10941, 6638177), (12873, 5641909), (13377, 5429341), (17493, 4151849), (20319, 3574403), (23907, 3037951), (25529, 2844933), (26571, 2733367), (30037, 2417961), (31263, 2323139), (32487, 2235611), (47411, 1531887), (55783, 1301979), (61999, 1171443), (72947, 995631), (75803, 958119), (76587, 948311), (90111, 805987), (115141, 630777), (135473, 536109), (142233, 510629), (167349, 433993), (178703, 406419), (185997, 390481), (210259, 345423), (218841, 331877), (227409, 319373)]