291223478

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{1949}}^1$

素因数の和:2792

約数の個数: 32

約数和(自身を含む): 538574400

約数和(自身を除く): 247350922

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 821, 1642, 1949, 3898, 5747, 10673, 11494, 13643, 21346, 25337, 27286, 50674, 74711, 149422, 177359, 354718, 1600129, 3200258, 11200903, 20801677, 22401806, 41603354, 145611739, 291223478]

約数ペア:

[(1, 291223478), (2, 145611739), (7, 41603354), (13, 22401806), (14, 20801677), (26, 11200903), (91, 3200258), (182, 1600129), (821, 354718), (1642, 177359), (1949, 149422), (3898, 74711), (5747, 50674), (10673, 27286), (11494, 25337), (13643, 21346)]