379977871

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2557}}^1$

素因数の和:2671

約数の個数: 32

約数和(自身を含む): 495065088

約数和(自身を除く): 115087217

約数列:

[1, 7, 13, 23, 71, 91, 161, 299, 497, 923, 1633, 2093, 2557, 6461, 11431, 17899, 21229, 33241, 58811, 148603, 181547, 232687, 411677, 764543, 1270829, 2360111, 4175581, 5351801, 16520777, 29229067, 54282553, 379977871]

約数ペア:

[(1, 379977871), (7, 54282553), (13, 29229067), (23, 16520777), (71, 5351801), (91, 4175581), (161, 2360111), (299, 1270829), (497, 764543), (923, 411677), (1633, 232687), (2093, 181547), (2557, 148603), (6461, 58811), (11431, 33241), (17899, 21229)]