28487732

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1283}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 62412672

約数和(自身を除く): 33924940

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 61, 91, 122, 182, 244, 364, 427, 793, 854, 1283, 1586, 1708, 2566, 3172, 5132, 5551, 8981, 11102, 16679, 17962, 22204, 33358, 35924, 66716, 78263, 116753, 156526, 233506, 313052, 467012, 547841, 1017419, 1095682, 2034838, 2191364, 4069676, 7121933, 14243866, 28487732]

約数ペア:

[(1, 28487732), (2, 14243866), (4, 7121933), (7, 4069676), (13, 2191364), (14, 2034838), (26, 1095682), (28, 1017419), (52, 547841), (61, 467012), (91, 313052), (122, 233506), (182, 156526), (244, 116753), (364, 78263), (427, 66716), (793, 35924), (854, 33358), (1283, 22204), (1586, 17962), (1708, 16679), (2566, 11102), (3172, 8981), (5132, 5551)]