938970145

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 1177862400

約数和(自身を除く): 238892255

約数列:

[1, 5, 43, 103, 109, 215, 389, 515, 545, 1945, 4429, 4687, 11227, 16727, 22145, 23435, 40067, 42401, 56135, 83635, 200335, 212005, 482761, 1722881, 1823243, 2413805, 4367303, 8614405, 9116215, 21836515, 187794029, 938970145]

約数ペア:

[(1, 938970145), (5, 187794029), (43, 21836515), (103, 9116215), (109, 8614405), (215, 4367303), (389, 2413805), (515, 1823243), (545, 1722881), (1945, 482761), (4429, 212005), (4687, 200335), (11227, 83635), (16727, 56135), (22145, 42401), (23435, 40067)]