28047942

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1789}}^1$

素因数の和:1877

約数の個数: 48

約数和(自身を含む): 66459120

約数和(自身を除く): 38411178

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 67, 78, 117, 134, 201, 234, 402, 603, 871, 1206, 1742, 1789, 2613, 3578, 5226, 5367, 7839, 10734, 15678, 16101, 23257, 32202, 46514, 69771, 119863, 139542, 209313, 239726, 359589, 418626, 719178, 1078767, 1558219, 2157534, 3116438, 4674657, 9349314, 14023971, 28047942]

約数ペア:

[(1, 28047942), (2, 14023971), (3, 9349314), (6, 4674657), (9, 3116438), (13, 2157534), (18, 1558219), (26, 1078767), (39, 719178), (67, 418626), (78, 359589), (117, 239726), (134, 209313), (201, 139542), (234, 119863), (402, 69771), (603, 46514), (871, 32202), (1206, 23257), (1742, 16101), (1789, 15678), (2613, 10734), (3578, 7839), (5226, 5367)]