399858368

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{967}}^1$

素因数の和:1070

約数の個数: 112

約数和(自身を含む): 991355904

約数和(自身を除く): 591497536

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 71, 91, 104, 112, 142, 182, 208, 224, 284, 364, 416, 448, 497, 568, 728, 832, 923, 967, 994, 1136, 1456, 1846, 1934, 1988, 2272, 2912, 3692, 3868, 3976, 4544, 5824, 6461, 6769, 7384, 7736, 7952, 12571, 12922, 13538, 14768, 15472, 15904, 25142, 25844, 27076, 29536, 30944, 31808, 50284, 51688, 54152, 59072, 61888, 68657, 87997, 100568, 103376, 108304, 137314, 175994, 201136, 206752, 216608, 274628, 351988, 402272, 413504, 433216, 480599, 549256, 703976, 804544, 892541, 961198, 1098512, 1407952, 1785082, 1922396, 2197024, 2815904, 3570164, 3844792, 4394048, 5631808, 6247787, 7140328, 7689584, 12495574, 14280656, 15379168, 24991148, 28561312, 30758336, 49982296, 57122624, 99964592, 199929184, 399858368]

約数ペア:

[(1, 399858368), (2, 199929184), (4, 99964592), (7, 57122624), (8, 49982296), (13, 30758336), (14, 28561312), (16, 24991148), (26, 15379168), (28, 14280656), (32, 12495574), (52, 7689584), (56, 7140328), (64, 6247787), (71, 5631808), (91, 4394048), (104, 3844792), (112, 3570164), (142, 2815904), (182, 2197024), (208, 1922396), (224, 1785082), (284, 1407952), (364, 1098512), (416, 961198), (448, 892541), (497, 804544), (568, 703976), (728, 549256), (832, 480599), (923, 433216), (967, 413504), (994, 402272), (1136, 351988), (1456, 274628), (1846, 216608), (1934, 206752), (1988, 201136), (2272, 175994), (2912, 137314), (3692, 108304), (3868, 103376), (3976, 100568), (4544, 87997), (5824, 68657), (6461, 61888), (6769, 59072), (7384, 54152), (7736, 51688), (7952, 50284), (12571, 31808), (12922, 30944), (13538, 29536), (14768, 27076), (15472, 25844), (15904, 25142)]