247209872

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5477}}^1$

素因数の和:5536

約数の個数: 80

約数和(自身を含む): 608627712

約数和(自身を除く): 361417840

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1736, 2821, 3224, 3472, 5477, 5642, 6448, 10954, 11284, 21908, 22568, 38339, 43816, 45136, 71201, 76678, 87632, 142402, 153356, 169787, 284804, 306712, 339574, 498407, 569608, 613424, 679148, 996814, 1139216, 1188509, 1358296, 1993628, 2207231, 2377018, 2716592, 3987256, 4414462, 4754036, 7974512, 8828924, 9508072, 15450617, 17657848, 19016144, 30901234, 35315696, 61802468, 123604936, 247209872]

約数ペア:

[(1, 247209872), (2, 123604936), (4, 61802468), (7, 35315696), (8, 30901234), (13, 19016144), (14, 17657848), (16, 15450617), (26, 9508072), (28, 8828924), (31, 7974512), (52, 4754036), (56, 4414462), (62, 3987256), (91, 2716592), (104, 2377018), (112, 2207231), (124, 1993628), (182, 1358296), (208, 1188509), (217, 1139216), (248, 996814), (364, 679148), (403, 613424), (434, 569608), (496, 498407), (728, 339574), (806, 306712), (868, 284804), (1456, 169787), (1612, 153356), (1736, 142402), (2821, 87632), (3224, 76678), (3472, 71201), (5477, 45136), (5642, 43816), (6448, 38339), (10954, 22568), (11284, 21908)]