391144715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{463}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 520563456

約数和(自身を除く): 129418741

約数列:

[1, 5, 13, 41, 65, 205, 317, 463, 533, 1585, 2315, 2665, 4121, 6019, 12997, 18983, 20605, 30095, 64985, 94915, 146771, 168961, 246779, 733855, 844805, 1233895, 1908023, 6017611, 9540115, 30088055, 78228943, 391144715]

約数ペア:

[(1, 391144715), (5, 78228943), (13, 30088055), (41, 9540115), (65, 6017611), (205, 1908023), (317, 1233895), (463, 844805), (533, 733855), (1585, 246779), (2315, 168961), (2665, 146771), (4121, 94915), (6019, 64985), (12997, 30095), (18983, 20605)]