78502144

素因数分解:

$2^8\times 7^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:711

約数の個数: 72

約数和(自身を含む): 181899648

約数和(自身を除く): 103397504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 256, 284, 448, 497, 568, 617, 896, 994, 1136, 1234, 1792, 1988, 2272, 2468, 3976, 4319, 4544, 4936, 7952, 8638, 9088, 9872, 15904, 17276, 18176, 19744, 31808, 34552, 39488, 43807, 63616, 69104, 78976, 87614, 127232, 138208, 157952, 175228, 276416, 306649, 350456, 552832, 613298, 700912, 1105664, 1226596, 1401824, 2453192, 2803648, 4906384, 5607296, 9812768, 11214592, 19625536, 39251072, 78502144]

約数ペア:

[(1, 78502144), (2, 39251072), (4, 19625536), (7, 11214592), (8, 9812768), (14, 5607296), (16, 4906384), (28, 2803648), (32, 2453192), (56, 1401824), (64, 1226596), (71, 1105664), (112, 700912), (128, 613298), (142, 552832), (224, 350456), (256, 306649), (284, 276416), (448, 175228), (497, 157952), (568, 138208), (617, 127232), (896, 87614), (994, 78976), (1136, 69104), (1234, 63616), (1792, 43807), (1988, 39488), (2272, 34552), (2468, 31808), (3976, 19744), (4319, 18176), (4544, 17276), (4936, 15904), (7952, 9872), (8638, 9088)]