319993345

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1237}}^1$

素因数の和:1657

約数の個数: 32

約数和(自身を含む): 463507200

約数和(自身を除く): 143513855

約数列:

[1, 5, 7, 19, 35, 95, 133, 389, 665, 1237, 1945, 2723, 6185, 7391, 8659, 13615, 23503, 36955, 43295, 51737, 117515, 164521, 258685, 481193, 822605, 2405965, 3368351, 9142667, 16841755, 45713335, 63998669, 319993345]

約数ペア:

[(1, 319993345), (5, 63998669), (7, 45713335), (19, 16841755), (35, 9142667), (95, 3368351), (133, 2405965), (389, 822605), (665, 481193), (1237, 258685), (1945, 164521), (2723, 117515), (6185, 51737), (7391, 43295), (8659, 36955), (13615, 23503)]