71942878

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 138240000

約数和(自身を除く): 66297122

約数列:

[1, 2, 7, 14, 17, 31, 34, 49, 62, 98, 119, 199, 217, 238, 343, 398, 434, 527, 686, 833, 1054, 1393, 1519, 1666, 2786, 3038, 3383, 3689, 5831, 6169, 6766, 7378, 9751, 10633, 11662, 12338, 19502, 21266, 23681, 25823, 43183, 47362, 51646, 68257, 86366, 104873, 136514, 165767, 180761, 209746, 302281, 331534, 361522, 604562, 734111, 1160369, 1468222, 2115967, 2320738, 4231934, 5138777, 10277554, 35971439, 71942878]

約数ペア:

[(1, 71942878), (2, 35971439), (7, 10277554), (14, 5138777), (17, 4231934), (31, 2320738), (34, 2115967), (49, 1468222), (62, 1160369), (98, 734111), (119, 604562), (199, 361522), (217, 331534), (238, 302281), (343, 209746), (398, 180761), (434, 165767), (527, 136514), (686, 104873), (833, 86366), (1054, 68257), (1393, 51646), (1519, 47362), (1666, 43183), (2786, 25823), (3038, 23681), (3383, 21266), (3689, 19502), (5831, 12338), (6169, 11662), (6766, 10633), (7378, 9751)]