28190414

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{809}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 51321600

約数和(自身を除く): 23131186

約数列:

[1, 2, 7, 14, 19, 38, 131, 133, 262, 266, 809, 917, 1618, 1834, 2489, 4978, 5663, 11326, 15371, 17423, 30742, 34846, 105979, 107597, 211958, 215194, 741853, 1483706, 2013601, 4027202, 14095207, 28190414]

約数ペア:

[(1, 28190414), (2, 14095207), (7, 4027202), (14, 2013601), (19, 1483706), (38, 741853), (131, 215194), (133, 211958), (262, 107597), (266, 105979), (809, 34846), (917, 30742), (1618, 17423), (1834, 15371), (2489, 11326), (4978, 5663)]