28571452

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1481}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 62741952

約数和(自身を除く): 34170500

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1378, 1481, 1484, 2756, 2962, 4823, 5924, 9646, 10367, 19253, 19292, 20734, 38506, 41468, 77012, 78493, 134771, 156986, 269542, 313972, 539084, 549451, 1020409, 1098902, 2040818, 2197804, 4081636, 7142863, 14285726, 28571452]

約数ペア:

[(1, 28571452), (2, 14285726), (4, 7142863), (7, 4081636), (13, 2197804), (14, 2040818), (26, 1098902), (28, 1020409), (52, 549451), (53, 539084), (91, 313972), (106, 269542), (182, 156986), (212, 134771), (364, 78493), (371, 77012), (689, 41468), (742, 38506), (1378, 20734), (1481, 19292), (1484, 19253), (2756, 10367), (2962, 9646), (4823, 5924)]