28939356

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{1567}}^1$

素因数の和:1605

約数の個数: 72

約数和(自身を含む): 79905280

約数和(自身を除く): 50965924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 486, 513, 684, 972, 1026, 1539, 1567, 2052, 3078, 3134, 4617, 4701, 6156, 6268, 9234, 9402, 14103, 18468, 18804, 28206, 29773, 42309, 56412, 59546, 84618, 89319, 119092, 126927, 169236, 178638, 253854, 267957, 357276, 380781, 507708, 535914, 761562, 803871, 1071828, 1523124, 1607742, 2411613, 3215484, 4823226, 7234839, 9646452, 14469678, 28939356]

約数ペア:

[(1, 28939356), (2, 14469678), (3, 9646452), (4, 7234839), (6, 4823226), (9, 3215484), (12, 2411613), (18, 1607742), (19, 1523124), (27, 1071828), (36, 803871), (38, 761562), (54, 535914), (57, 507708), (76, 380781), (81, 357276), (108, 267957), (114, 253854), (162, 178638), (171, 169236), (228, 126927), (243, 119092), (324, 89319), (342, 84618), (486, 59546), (513, 56412), (684, 42309), (972, 29773), (1026, 28206), (1539, 18804), (1567, 18468), (2052, 14103), (3078, 9402), (3134, 9234), (4617, 6268), (4701, 6156)]