68677025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{571}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 90645984

約数和(自身を除く): 21968959

約数列:

[1, 5, 17, 25, 85, 283, 425, 571, 1415, 2855, 4811, 7075, 9707, 14275, 24055, 48535, 120275, 161593, 242675, 807965, 2747081, 4039825, 13735405, 68677025]

約数ペア:

[(1, 68677025), (5, 13735405), (17, 4039825), (25, 2747081), (85, 807965), (283, 242675), (425, 161593), (571, 120275), (1415, 48535), (2855, 24055), (4811, 14275), (7075, 9707)]