2578748464

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{21961}}^1$

素因数の和:22189

約数の個数: 40

約数和(自身を含む): 5147014320

約数和(自身を除く): 2568265856

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 179, 328, 358, 656, 716, 1432, 2864, 7339, 14678, 21961, 29356, 43922, 58712, 87844, 117424, 175688, 351376, 900401, 1800802, 3601604, 3931019, 7203208, 7862038, 14406416, 15724076, 31448152, 62896304, 161171779, 322343558, 644687116, 1289374232, 2578748464]

約数ペア:

[(1, 2578748464), (2, 1289374232), (4, 644687116), (8, 322343558), (16, 161171779), (41, 62896304), (82, 31448152), (164, 15724076), (179, 14406416), (328, 7862038), (358, 7203208), (656, 3931019), (716, 3601604), (1432, 1800802), (2864, 900401), (7339, 351376), (14678, 175688), (21961, 117424), (29356, 87844), (43922, 58712)]