40338194

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 67468464

約数和(自身を除く): 27130270

約数列:

[1, 2, 13, 26, 53, 73, 106, 146, 401, 689, 802, 949, 1378, 1898, 3869, 5213, 7738, 10426, 21253, 29273, 42506, 50297, 58546, 100594, 276289, 380549, 552578, 761098, 1551469, 3102938, 20169097, 40338194]

約数ペア:

[(1, 40338194), (2, 20169097), (13, 3102938), (26, 1551469), (53, 761098), (73, 552578), (106, 380549), (146, 276289), (401, 100594), (689, 58546), (802, 50297), (949, 42506), (1378, 29273), (1898, 21253), (3869, 10426), (5213, 7738)]