258696571

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{4451}}^1$

素因数の和:4519

約数の個数: 24

約数和(自身を含む): 325672704

約数和(自身を除く): 66976133

約数列:

[1, 7, 19, 23, 133, 161, 361, 437, 2527, 3059, 4451, 8303, 31157, 58121, 84569, 102373, 591983, 716611, 1606811, 1945087, 11247677, 13615609, 36956653, 258696571]

約数ペア:

[(1, 258696571), (7, 36956653), (19, 13615609), (23, 11247677), (133, 1945087), (161, 1606811), (361, 716611), (437, 591983), (2527, 102373), (3059, 84569), (4451, 58121), (8303, 31157)]