31639648

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 64532160

約数和(自身を除く): 32892512

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 109, 188, 193, 218, 376, 386, 436, 752, 772, 872, 1504, 1544, 1744, 3088, 3488, 5123, 6176, 9071, 10246, 18142, 20492, 21037, 36284, 40984, 42074, 72568, 81968, 84148, 145136, 163936, 168296, 290272, 336592, 673184, 988739, 1977478, 3954956, 7909912, 15819824, 31639648]

約数ペア:

[(1, 31639648), (2, 15819824), (4, 7909912), (8, 3954956), (16, 1977478), (32, 988739), (47, 673184), (94, 336592), (109, 290272), (188, 168296), (193, 163936), (218, 145136), (376, 84148), (386, 81968), (436, 72568), (752, 42074), (772, 40984), (872, 36284), (1504, 21037), (1544, 20492), (1744, 18142), (3088, 10246), (3488, 9071), (5123, 6176)]