3989336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 8164800

約数和(自身を除く): 4175464

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 431, 712, 862, 1157, 1724, 2314, 3448, 4628, 5603, 9256, 11206, 22412, 38359, 44824, 76718, 153436, 306872, 498667, 997334, 1994668, 3989336]

約数ペア:

[(1, 3989336), (2, 1994668), (4, 997334), (8, 498667), (13, 306872), (26, 153436), (52, 76718), (89, 44824), (104, 38359), (178, 22412), (356, 11206), (431, 9256), (712, 5603), (862, 4628), (1157, 3448), (1724, 2314)]