28105028

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7547}}^1$

素因数の和:7584

約数の個数: 36

約数和(自身を含む): 60233040

約数和(自身を除く): 32128012

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 7547, 15094, 30188, 52829, 105658, 143393, 211316, 286786, 369803, 573572, 739606, 1003751, 1479212, 2007502, 4015004, 7026257, 14052514, 28105028]

約数ペア:

[(1, 28105028), (2, 14052514), (4, 7026257), (7, 4015004), (14, 2007502), (19, 1479212), (28, 1003751), (38, 739606), (49, 573572), (76, 369803), (98, 286786), (133, 211316), (196, 143393), (266, 105658), (532, 52829), (931, 30188), (1862, 15094), (3724, 7547)]