38913745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 52214400

約数和(自身を除く): 13300655

約数列:

[1, 5, 13, 59, 65, 73, 139, 295, 365, 695, 767, 949, 1807, 3835, 4307, 4745, 8201, 9035, 10147, 21535, 41005, 50735, 55991, 106613, 131911, 279955, 533065, 598673, 659555, 2993365, 7782749, 38913745]

約数ペア:

[(1, 38913745), (5, 7782749), (13, 2993365), (59, 659555), (65, 598673), (73, 533065), (139, 279955), (295, 131911), (365, 106613), (695, 55991), (767, 50735), (949, 41005), (1807, 21535), (3835, 10147), (4307, 9035), (4745, 8201)]