6669988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 13625920

約数和(自身を除く): 6955932

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 157, 172, 247, 314, 494, 559, 628, 817, 988, 1118, 1634, 2041, 2236, 2983, 3268, 4082, 5966, 6751, 8164, 10621, 11932, 13502, 21242, 27004, 38779, 42484, 77558, 87763, 128269, 155116, 175526, 256538, 351052, 513076, 1667497, 3334994, 6669988]

約数ペア:

[(1, 6669988), (2, 3334994), (4, 1667497), (13, 513076), (19, 351052), (26, 256538), (38, 175526), (43, 155116), (52, 128269), (76, 87763), (86, 77558), (157, 42484), (172, 38779), (247, 27004), (314, 21242), (494, 13502), (559, 11932), (628, 10621), (817, 8164), (988, 6751), (1118, 5966), (1634, 4082), (2041, 3268), (2236, 2983)]