287942772

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{25997}}^1$

素因数の和:26088

約数の個数: 48

約数和(自身を含む): 733767552

約数和(自身を除く): 445824780

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 426, 852, 923, 1846, 2769, 3692, 5538, 11076, 25997, 51994, 77991, 103988, 155982, 311964, 337961, 675922, 1013883, 1351844, 1845787, 2027766, 3691574, 4055532, 5537361, 7383148, 11074722, 22149444, 23995231, 47990462, 71985693, 95980924, 143971386, 287942772]

約数ペア:

[(1, 287942772), (2, 143971386), (3, 95980924), (4, 71985693), (6, 47990462), (12, 23995231), (13, 22149444), (26, 11074722), (39, 7383148), (52, 5537361), (71, 4055532), (78, 3691574), (142, 2027766), (156, 1845787), (213, 1351844), (284, 1013883), (426, 675922), (852, 337961), (923, 311964), (1846, 155982), (2769, 103988), (3692, 77991), (5538, 51994), (11076, 25997)]