86709844

素因数分解:

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

素因数の和:249

約数の個数: 72

約数和(自身を含む): 178110240

約数和(自身を除く): 91400396

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 157, 169, 172, 247, 314, 338, 494, 559, 628, 676, 817, 988, 1118, 1634, 2041, 2236, 2983, 3211, 3268, 4082, 5966, 6422, 6751, 7267, 8164, 10621, 11932, 12844, 13502, 14534, 21242, 26533, 27004, 29068, 38779, 42484, 53066, 77558, 87763, 106132, 128269, 138073, 155116, 175526, 256538, 276146, 351052, 504127, 513076, 552292, 1008254, 1140919, 1667497, 2016508, 2281838, 3334994, 4563676, 6669988, 21677461, 43354922, 86709844]

約数ペア:

[(1, 86709844), (2, 43354922), (4, 21677461), (13, 6669988), (19, 4563676), (26, 3334994), (38, 2281838), (43, 2016508), (52, 1667497), (76, 1140919), (86, 1008254), (157, 552292), (169, 513076), (172, 504127), (247, 351052), (314, 276146), (338, 256538), (494, 175526), (559, 155116), (628, 138073), (676, 128269), (817, 106132), (988, 87763), (1118, 77558), (1634, 53066), (2041, 42484), (2236, 38779), (2983, 29068), (3211, 27004), (3268, 26533), (4082, 21242), (5966, 14534), (6422, 13502), (6751, 12844), (7267, 11932), (8164, 10621)]