31839388

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 66453184

約数和(自身を除く): 34613796

約数列:

[1, 2, 4, 7, 14, 28, 37, 73, 74, 146, 148, 259, 292, 421, 511, 518, 842, 1022, 1036, 1684, 2044, 2701, 2947, 5402, 5894, 10804, 11788, 15577, 18907, 30733, 31154, 37814, 61466, 62308, 75628, 109039, 122932, 215131, 218078, 430262, 436156, 860524, 1137121, 2274242, 4548484, 7959847, 15919694, 31839388]

約数ペア:

[(1, 31839388), (2, 15919694), (4, 7959847), (7, 4548484), (14, 2274242), (28, 1137121), (37, 860524), (73, 436156), (74, 430262), (146, 218078), (148, 215131), (259, 122932), (292, 109039), (421, 75628), (511, 62308), (518, 61466), (842, 37814), (1022, 31154), (1036, 30733), (1684, 18907), (2044, 15577), (2701, 11788), (2947, 10804), (5402, 5894)]