8001994

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:611

約数の個数: 48

約数和(自身を含む): 16432416

約数和(自身を除く): 8430422

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 182, 286, 539, 571, 637, 1001, 1078, 1142, 1274, 2002, 3997, 6281, 7007, 7423, 7994, 12562, 14014, 14846, 27979, 43967, 51961, 55958, 81653, 87934, 103922, 163306, 307769, 363727, 571571, 615538, 727454, 1143142, 4000997, 8001994]

約数ペア:

[(1, 8001994), (2, 4000997), (7, 1143142), (11, 727454), (13, 615538), (14, 571571), (22, 363727), (26, 307769), (49, 163306), (77, 103922), (91, 87934), (98, 81653), (143, 55958), (154, 51961), (182, 43967), (286, 27979), (539, 14846), (571, 14014), (637, 12562), (1001, 7994), (1078, 7423), (1142, 7007), (1274, 6281), (2002, 3997)]