31617152

素因数分解:

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

素因数の和:170

約数の個数: 72

約数和(自身を含む): 74317455

約数和(自身を除く): 42700303

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 71, 98, 112, 128, 142, 196, 224, 284, 392, 448, 497, 568, 784, 896, 994, 1136, 1568, 1988, 2272, 3136, 3479, 3976, 4544, 5041, 6272, 6958, 7952, 9088, 10082, 13916, 15904, 20164, 27832, 31808, 35287, 40328, 55664, 63616, 70574, 80656, 111328, 141148, 161312, 222656, 247009, 282296, 322624, 445312, 494018, 564592, 645248, 988036, 1129184, 1976072, 2258368, 3952144, 4516736, 7904288, 15808576, 31617152]

約数ペア:

[(1, 31617152), (2, 15808576), (4, 7904288), (7, 4516736), (8, 3952144), (14, 2258368), (16, 1976072), (28, 1129184), (32, 988036), (49, 645248), (56, 564592), (64, 494018), (71, 445312), (98, 322624), (112, 282296), (128, 247009), (142, 222656), (196, 161312), (224, 141148), (284, 111328), (392, 80656), (448, 70574), (497, 63616), (568, 55664), (784, 40328), (896, 35287), (994, 31808), (1136, 27832), (1568, 20164), (1988, 15904), (2272, 13916), (3136, 10082), (3479, 9088), (3976, 7952), (4544, 6958), (5041, 6272)]