15971956

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3989}}^1$

素因数の和:4024

約数の個数: 48

約数和(自身を含む): 37537920

約数和(自身を除く): 21565964

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 3989, 4004, 7978, 15956, 27923, 43879, 51857, 55846, 87758, 103714, 111692, 175516, 207428, 307153, 362999, 570427, 614306, 725998, 1140854, 1228612, 1451996, 2281708, 3992989, 7985978, 15971956]

約数ペア:

[(1, 15971956), (2, 7985978), (4, 3992989), (7, 2281708), (11, 1451996), (13, 1228612), (14, 1140854), (22, 725998), (26, 614306), (28, 570427), (44, 362999), (52, 307153), (77, 207428), (91, 175516), (143, 111692), (154, 103714), (182, 87758), (286, 55846), (308, 51857), (364, 43879), (572, 27923), (1001, 15956), (2002, 7978), (3989, 4004)]