2008304465

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{15859}}^1$

素因数の和:15957

約数の個数: 32

約数和(自身を含む): 2679705600

約数和(自身を除く): 671401135

約数列:

[1, 5, 19, 31, 43, 95, 155, 215, 589, 817, 1333, 2945, 4085, 6665, 15859, 25327, 79295, 126635, 301321, 491629, 681937, 1506605, 2458145, 3409685, 9340951, 12956803, 21140047, 46704755, 64784015, 105700235, 401660893, 2008304465]

約数ペア:

[(1, 2008304465), (5, 401660893), (19, 105700235), (31, 64784015), (43, 46704755), (95, 21140047), (155, 12956803), (215, 9340951), (589, 3409685), (817, 2458145), (1333, 1506605), (2945, 681937), (4085, 491629), (6665, 301321), (15859, 126635), (25327, 79295)]