81237632

素因数分解:

$2^7\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1277}}^1$

素因数の和:1369

約数の個数: 64

約数和(自身を含む): 187712640

約数和(自身を除く): 106475008

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, 1277, 1988, 2272, 2554, 3976, 4544, 5108, 7952, 8939, 9088, 10216, 15904, 17878, 20432, 31808, 35756, 40864, 63616, 71512, 81728, 90667, 143024, 163456, 181334, 286048, 362668, 572096, 634669, 725336, 1144192, 1269338, 1450672, 2538676, 2901344, 5077352, 5802688, 10154704, 11605376, 20309408, 40618816, 81237632]

約数ペア:

[(1, 81237632), (2, 40618816), (4, 20309408), (7, 11605376), (8, 10154704), (14, 5802688), (16, 5077352), (28, 2901344), (32, 2538676), (56, 1450672), (64, 1269338), (71, 1144192), (112, 725336), (128, 634669), (142, 572096), (224, 362668), (284, 286048), (448, 181334), (497, 163456), (568, 143024), (896, 90667), (994, 81728), (1136, 71512), (1277, 63616), (1988, 40864), (2272, 35756), (2554, 31808), (3976, 20432), (4544, 17878), (5108, 15904), (7952, 10216), (8939, 9088)]