161775488

素因数分解:

$2^7\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2543}}^1$

素因数の和:2635

約数の個数: 64

約数和(自身を含む): 373662720

約数和(自身を除く): 211887232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 284, 448, 497, 568, 896, 994, 1136, 1988, 2272, 2543, 3976, 4544, 5086, 7952, 9088, 10172, 15904, 17801, 20344, 31808, 35602, 40688, 63616, 71204, 81376, 142408, 162752, 180553, 284816, 325504, 361106, 569632, 722212, 1139264, 1263871, 1444424, 2278528, 2527742, 2888848, 5055484, 5777696, 10110968, 11555392, 20221936, 23110784, 40443872, 80887744, 161775488]

約数ペア:

[(1, 161775488), (2, 80887744), (4, 40443872), (7, 23110784), (8, 20221936), (14, 11555392), (16, 10110968), (28, 5777696), (32, 5055484), (56, 2888848), (64, 2527742), (71, 2278528), (112, 1444424), (128, 1263871), (142, 1139264), (224, 722212), (284, 569632), (448, 361106), (497, 325504), (568, 284816), (896, 180553), (994, 162752), (1136, 142408), (1988, 81376), (2272, 71204), (2543, 63616), (3976, 40688), (4544, 35602), (5086, 31808), (7952, 20344), (9088, 17801), (10172, 15904)]