31191328

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8191}}^1$

素因数の和:8225

約数の個数: 48

約数和(自身を含む): 74317824

約数和(自身を除く): 43126496

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 8191, 16382, 32764, 57337, 65528, 114674, 131056, 139247, 229348, 262112, 278494, 458696, 556988, 917392, 974729, 1113976, 1834784, 1949458, 2227952, 3898916, 4455904, 7797832, 15595664, 31191328]

約数ペア:

[(1, 31191328), (2, 15595664), (4, 7797832), (7, 4455904), (8, 3898916), (14, 2227952), (16, 1949458), (17, 1834784), (28, 1113976), (32, 974729), (34, 917392), (56, 556988), (68, 458696), (112, 278494), (119, 262112), (136, 229348), (224, 139247), (238, 131056), (272, 114674), (476, 65528), (544, 57337), (952, 32764), (1904, 16382), (3808, 8191)]