1274749390

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{157571}}^1$

素因数の和:158387

約数の個数: 16

約数和(自身を含む): 2297399760

約数和(自身を除く): 1022650370

約数列:

[1, 2, 5, 10, 809, 1618, 4045, 8090, 157571, 315142, 787855, 1575710, 127474939, 254949878, 637374695, 1274749390]

約数ペア:

[(1, 1274749390), (2, 637374695), (5, 254949878), (10, 127474939), (809, 1575710), (1618, 787855), (4045, 315142), (8090, 157571)]