203437507

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 272305152

約数和(自身を除く): 68867645

約数列:

[1, 7, 13, 23, 37, 71, 91, 161, 259, 299, 481, 497, 851, 923, 1369, 1633, 2093, 2627, 3367, 5957, 6461, 9583, 11063, 11431, 17797, 18389, 21229, 31487, 34151, 60421, 77441, 97199, 124579, 148603, 220409, 239057, 409331, 422947, 680393, 785473, 1263587, 2235577, 2865317, 5498311, 8845109, 15649039, 29062501, 203437507]

約数ペア:

[(1, 203437507), (7, 29062501), (13, 15649039), (23, 8845109), (37, 5498311), (71, 2865317), (91, 2235577), (161, 1263587), (259, 785473), (299, 680393), (481, 422947), (497, 409331), (851, 239057), (923, 220409), (1369, 148603), (1633, 124579), (2093, 97199), (2627, 77441), (3367, 60421), (5957, 34151), (6461, 31487), (9583, 21229), (11063, 18389), (11431, 17797)]