81301528

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2237}}^1$

素因数の和:2320

約数の個数: 64

約数和(自身を含む): 193363200

約数和(自身を除く): 112061672

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 59, 77, 88, 118, 154, 236, 308, 413, 472, 616, 649, 826, 1298, 1652, 2237, 2596, 3304, 4474, 4543, 5192, 8948, 9086, 15659, 17896, 18172, 24607, 31318, 36344, 49214, 62636, 98428, 125272, 131983, 172249, 196856, 263966, 344498, 527932, 688996, 923881, 1055864, 1377992, 1451813, 1847762, 2903626, 3695524, 5807252, 7391048, 10162691, 11614504, 20325382, 40650764, 81301528]

約数ペア:

[(1, 81301528), (2, 40650764), (4, 20325382), (7, 11614504), (8, 10162691), (11, 7391048), (14, 5807252), (22, 3695524), (28, 2903626), (44, 1847762), (56, 1451813), (59, 1377992), (77, 1055864), (88, 923881), (118, 688996), (154, 527932), (236, 344498), (308, 263966), (413, 196856), (472, 172249), (616, 131983), (649, 125272), (826, 98428), (1298, 62636), (1652, 49214), (2237, 36344), (2596, 31318), (3304, 24607), (4474, 18172), (4543, 17896), (5192, 15659), (8948, 9086)]