721557732

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{4889}}^1$

素因数の和:5161

約数の個数: 72

約数和(自身を含む): 1966718880

約数和(自身を除く): 1245161148

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 251, 294, 502, 588, 753, 1004, 1506, 1757, 3012, 3514, 4889, 5271, 7028, 9778, 10542, 12299, 14667, 19556, 21084, 24598, 29334, 34223, 36897, 49196, 58668, 68446, 73794, 102669, 136892, 147588, 205338, 239561, 410676, 479122, 718683, 958244, 1227139, 1437366, 2454278, 2874732, 3681417, 4908556, 7362834, 8589973, 14725668, 17179946, 25769919, 34359892, 51539838, 60129811, 103079676, 120259622, 180389433, 240519244, 360778866, 721557732]

約数ペア:

[(1, 721557732), (2, 360778866), (3, 240519244), (4, 180389433), (6, 120259622), (7, 103079676), (12, 60129811), (14, 51539838), (21, 34359892), (28, 25769919), (42, 17179946), (49, 14725668), (84, 8589973), (98, 7362834), (147, 4908556), (196, 3681417), (251, 2874732), (294, 2454278), (502, 1437366), (588, 1227139), (753, 958244), (1004, 718683), (1506, 479122), (1757, 410676), (3012, 239561), (3514, 205338), (4889, 147588), (5271, 136892), (7028, 102669), (9778, 73794), (10542, 68446), (12299, 58668), (14667, 49196), (19556, 36897), (21084, 34223), (24598, 29334)]