28328076

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 87907680

約数和(自身を除く): 59579604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 53, 54, 63, 84, 98, 101, 106, 108, 126, 147, 159, 189, 196, 202, 212, 252, 294, 303, 318, 371, 378, 404, 441, 477, 588, 606, 636, 707, 742, 756, 882, 909, 954, 1113, 1212, 1323, 1414, 1431, 1484, 1764, 1818, 1908, 2121, 2226, 2597, 2646, 2727, 2828, 2862, 3339, 3636, 4242, 4452, 4949, 5194, 5292, 5353, 5454, 5724, 6363, 6678, 7791, 8484, 9898, 10017, 10388, 10706, 10908, 12726, 13356, 14847, 15582, 16059, 19089, 19796, 20034, 21412, 23373, 25452, 29694, 31164, 32118, 37471, 38178, 40068, 44541, 46746, 48177, 59388, 64236, 70119, 74942, 76356, 89082, 93492, 96354, 112413, 133623, 140238, 144531, 149884, 178164, 192708, 224826, 262297, 267246, 280476, 289062, 337239, 449652, 524594, 534492, 578124, 674478, 786891, 1011717, 1049188, 1348956, 1573782, 2023434, 2360673, 3147564, 4046868, 4721346, 7082019, 9442692, 14164038, 28328076]

約数ペア:

[(1, 28328076), (2, 14164038), (3, 9442692), (4, 7082019), (6, 4721346), (7, 4046868), (9, 3147564), (12, 2360673), (14, 2023434), (18, 1573782), (21, 1348956), (27, 1049188), (28, 1011717), (36, 786891), (42, 674478), (49, 578124), (53, 534492), (54, 524594), (63, 449652), (84, 337239), (98, 289062), (101, 280476), (106, 267246), (108, 262297), (126, 224826), (147, 192708), (159, 178164), (189, 149884), (196, 144531), (202, 140238), (212, 133623), (252, 112413), (294, 96354), (303, 93492), (318, 89082), (371, 76356), (378, 74942), (404, 70119), (441, 64236), (477, 59388), (588, 48177), (606, 46746), (636, 44541), (707, 40068), (742, 38178), (756, 37471), (882, 32118), (909, 31164), (954, 29694), (1113, 25452), (1212, 23373), (1323, 21412), (1414, 20034), (1431, 19796), (1484, 19089), (1764, 16059), (1818, 15582), (1908, 14847), (2121, 13356), (2226, 12726), (2597, 10908), (2646, 10706), (2727, 10388), (2828, 10017), (2862, 9898), (3339, 8484), (3636, 7791), (4242, 6678), (4452, 6363), (4949, 5724), (5194, 5454), (5292, 5353)]