259285271

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 317054976

約数和(自身を除く): 57769705

約数列:

[1, 7, 31, 41, 151, 193, 217, 287, 1057, 1271, 1351, 4681, 5983, 6191, 7913, 8897, 29143, 32767, 41881, 43337, 55391, 191921, 204001, 245303, 903433, 1194863, 1343447, 1717121, 6324031, 8364041, 37040753, 259285271]

約数ペア:

[(1, 259285271), (7, 37040753), (31, 8364041), (41, 6324031), (151, 1717121), (193, 1343447), (217, 1194863), (287, 903433), (1057, 245303), (1271, 204001), (1351, 191921), (4681, 55391), (5983, 43337), (6191, 41881), (7913, 32767), (8897, 29143)]