277887025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 383600448

約数和(自身を除く): 105713423

約数列:

[1, 5, 13, 25, 61, 65, 107, 131, 305, 325, 535, 655, 793, 1391, 1525, 1703, 2675, 3275, 3965, 6527, 6955, 7991, 8515, 14017, 19825, 32635, 34775, 39955, 42575, 70085, 84851, 103883, 163175, 182221, 199775, 350425, 424255, 519415, 855037, 911105, 2121275, 2597075, 4275185, 4555525, 11115481, 21375925, 55577405, 277887025]

約数ペア:

[(1, 277887025), (5, 55577405), (13, 21375925), (25, 11115481), (61, 4555525), (65, 4275185), (107, 2597075), (131, 2121275), (305, 911105), (325, 855037), (535, 519415), (655, 424255), (793, 350425), (1391, 199775), (1525, 182221), (1703, 163175), (2675, 103883), (3275, 84851), (3965, 70085), (6527, 42575), (6955, 39955), (7991, 34775), (8515, 32635), (14017, 19825)]