217925344

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10691}}^1$

素因数の和:10728

約数の個数: 72

約数和(自身を含む): 537529608

約数和(自身を除く): 319604264

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1274, 1456, 1568, 2548, 2912, 5096, 10192, 10691, 20384, 21382, 42764, 74837, 85528, 138983, 149674, 171056, 277966, 299348, 342112, 523859, 555932, 598696, 972881, 1047718, 1111864, 1197392, 1945762, 2095436, 2223728, 2394784, 3891524, 4190872, 4447456, 6810167, 7783048, 8381744, 13620334, 15566096, 16763488, 27240668, 31132192, 54481336, 108962672, 217925344]

約数ペア:

[(1, 217925344), (2, 108962672), (4, 54481336), (7, 31132192), (8, 27240668), (13, 16763488), (14, 15566096), (16, 13620334), (26, 8381744), (28, 7783048), (32, 6810167), (49, 4447456), (52, 4190872), (56, 3891524), (91, 2394784), (98, 2223728), (104, 2095436), (112, 1945762), (182, 1197392), (196, 1111864), (208, 1047718), (224, 972881), (364, 598696), (392, 555932), (416, 523859), (637, 342112), (728, 299348), (784, 277966), (1274, 171056), (1456, 149674), (1568, 138983), (2548, 85528), (2912, 74837), (5096, 42764), (10192, 21382), (10691, 20384)]