13339976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 29198400

約数和(自身を除く): 15858424

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 43, 52, 76, 86, 104, 152, 157, 172, 247, 314, 344, 494, 559, 628, 817, 988, 1118, 1256, 1634, 1976, 2041, 2236, 2983, 3268, 4082, 4472, 5966, 6536, 6751, 8164, 10621, 11932, 13502, 16328, 21242, 23864, 27004, 38779, 42484, 54008, 77558, 84968, 87763, 128269, 155116, 175526, 256538, 310232, 351052, 513076, 702104, 1026152, 1667497, 3334994, 6669988, 13339976]

約数ペア:

[(1, 13339976), (2, 6669988), (4, 3334994), (8, 1667497), (13, 1026152), (19, 702104), (26, 513076), (38, 351052), (43, 310232), (52, 256538), (76, 175526), (86, 155116), (104, 128269), (152, 87763), (157, 84968), (172, 77558), (247, 54008), (314, 42484), (344, 38779), (494, 27004), (559, 23864), (628, 21242), (817, 16328), (988, 13502), (1118, 11932), (1256, 10621), (1634, 8164), (1976, 6751), (2041, 6536), (2236, 5966), (2983, 4472), (3268, 4082)]