289320923

素因数分解:

${\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 319527936

約数和(自身を除く): 30207013

約数列:

[1, 19, 31, 103, 251, 361, 589, 1957, 3193, 4769, 7781, 11191, 25853, 37183, 60667, 90611, 147839, 491207, 801443, 1152673, 2808941, 9332933, 15227417, 289320923]

約数ペア:

[(1, 289320923), (19, 15227417), (31, 9332933), (103, 2808941), (251, 1152673), (361, 801443), (589, 491207), (1957, 147839), (3193, 90611), (4769, 60667), (7781, 37183), (11191, 25853)]