2891310955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1\times {\mathrm{4007}}^1$

素因数の和:4695

約数の個数: 32

約数和(自身を含む): 3963302784

約数和(自身を除く): 1071991829

約数列:

[1, 5, 13, 17, 65, 85, 221, 653, 1105, 3265, 4007, 8489, 11101, 20035, 42445, 52091, 55505, 68119, 144313, 260455, 340595, 721565, 885547, 2616571, 4427735, 13082855, 34015423, 44481707, 170077115, 222408535, 578262191, 2891310955]

約数ペア:

[(1, 2891310955), (5, 578262191), (13, 222408535), (17, 170077115), (65, 44481707), (85, 34015423), (221, 13082855), (653, 4427735), (1105, 2616571), (3265, 885547), (4007, 721565), (8489, 340595), (11101, 260455), (20035, 144313), (42445, 68119), (52091, 55505)]