28172158

素因数分解:

$2^1\times 7^2\times {\mathrm{389}}^1\times {\mathrm{739}}^1$

素因数の和:1144

約数の個数: 24

約数和(自身を含む): 49350600

約数和(自身を除く): 21178442

約数列:

[1, 2, 7, 14, 49, 98, 389, 739, 778, 1478, 2723, 5173, 5446, 10346, 19061, 36211, 38122, 72422, 287471, 574942, 2012297, 4024594, 14086079, 28172158]

約数ペア:

[(1, 28172158), (2, 14086079), (7, 4024594), (14, 2012297), (49, 574942), (98, 287471), (389, 72422), (739, 38122), (778, 36211), (1478, 19061), (2723, 10346), (5173, 5446)]